Synonyms of the word

reasonable

• adj. Having the faculty of reason; imbued with reason; rational.
• adj. Just; fair; agreeable to reason.
• adj. Not excessive or immoderate; within due limits; proper.
• adj. Not expensive; fairly priced.
• adj. Satisfactory.

commonsense

• adj. Exhibiting or using common sense.

commonsensible

• adj. Synonym of commonsensical.

commonsensical

• adj. Displaying common sense.

fair

• adj. (literary or archaic) Beautiful, of a pleasing appearance, with a pure and fresh quality.
• adj. Unblemished (figuratively or literally); clean and pure; innocent.
• adj. Light in color, pale, particularly as regards skin tone but also referring to blond hair.
• adj. Just, equitable.
• adj. Adequate, reasonable, or decent.
• adj. (nautical, of a wind) Favorable to a ship's course.
• adj. Not overcast; cloudless; clear; pleasant; propitious; said of the sky, weather, or wind, etc.
• adj. Free from obstacles or hindrances; unobstructed; unencumbered; open; direct; said of a road, passage,…
• adj. (shipbuilding) Without sudden change of direction or curvature; smooth; flowing; said of the figure of…
• adj. (baseball) Between the baselines.
• n. Something which is fair (in various senses of the adjective).
• n. (obsolete) A woman, a member of the ‘fair sex’; also as a collective singular, women.
• n. (obsolete) Fairness, beauty.
• n. A fair woman; a sweetheart.
• n. (obsolete) Good fortune; good luck.
• v. To smoothen or even a surface (especially a connection or junction on a surface).
• v. To bring into perfect alignment (especially about rivet holes when connecting structural members).
• v. To construct or design a structure whose primary function is to produce a smooth outline or reduce air…
• v. (obsolete) To make fair or beautiful.
• adv. clearly, openly, frankly, civilly, honestly, favorably, auspiciously, agreeably.
• n. A community gathering to celebrate and exhibit local achievements.
• n. An event for public entertainment and trade, a market.
• n. An event for professionals in a trade to learn of new products and do business, a trade fair.
• n. A funfair, an amusement park.

fairish

• adj. Of moderate size, quality etc.
• adj. (of hair) Somewhat fair.

healthy

• adj. Enjoying health and vigor of body, mind, or spirit: well.
• adj. Conducive to health.
• adj. Evincing health.
• adj. (figuratively) Significant, hefty; beneficial.

intelligent

• adj. Of high or especially quick cognitive capacity, bright.
• adj. Well thought-out, well considered.
• adj. Characterized by thoughtful interaction.
• adj. Having the same level of brain power as mankind.
• adj. Having an environment-sensing automatically-invoked built-in computer capability.

just

• adj. Factually right, correct; factual.
• adj. Rationally right, correct.
• adj. Morally right; upright, righteous, equitable; fair.
• adj. Proper, adequate.
• adv. Only, simply, merely.
• adv. (sentence adverb) Used to reduce the force of an imperative; simply.
• adv. (speech act) Used to convey a less serious or formal tone.
• adv. (speech act) Used to show humility.
• adv. (degree) absolutely, positively.
• adv. Moments ago, recently.
• adv. By a narrow margin; closely; nearly.
• adv. Exactly, precisely, perfectly.
• n. A joust, tournament.
• v. To joust, fight a tournament.

level-headed

• adj. (idiomatic) Sensible; rational; possessing sound judgment.

levelheaded

• adj. Alternative spelling of level-headed.

logical

• adj. (not comparable) In agreement with the principles of logic.
• adj. Reasonable.
• adj. (not comparable) Of or pertaining to logic.
• adj. (computing) Non-physical or conceptual yet underpinned by something physical or actual.

moderate

• adj. Not excessive; acting in moderation.
• adj. Mediocre.
• adj. Average priced; standard-deal.
• adj. Not violent or rigorous; temperate; mild; gentle.
• adj. (US, politics) Having an intermediate position between liberal and conservative.
• n. One who holds an intermediate position between extremes, as in politics.
• v. (transitive) To reduce the excessiveness of (something).
• v. (intransitive) To become less excessive.
• v. (transitive) To preside over (something) as a moderator.
• v. (intransitive) To act as a moderator; to assist in bringing to compromise.

rational

• adj. Capable of reasoning.
• adj. Logically sound; not contradictory or otherwise absurd.
• adj. (of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.
• adj. (mathematics, arithmetic, number theory, not comparable) Of a number, capable of being expressed as the…
• adj. (mathematics, arithmetic, not comparable) Of an algebraic expression, capable of being expressed as the…
• adj. (chemistry) Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.
• adj. (physics) Expressing a physical object.
• n. (mathematics) A rational number: a number that can be expressed as the quotient of two integers.
• n. the breastplate worn by Israelite high priests.

sane

• adj. Being in a healthy condition; not deranged; thinking rationally.
• adj. Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able…
• adj. Rational; reasonable; sensible.

sensible

• adj. (now dated or formal) Perceptible by the senses.
• adj. Easily perceived; appreciable.
• adj. (archaic) Able to feel or perceive.
• adj. (archaic) Liable to external impression; easily affected; sensitive.
• adj. Of or pertaining to the senses; sensory.
• adj. (archaic) Cognizant; having the perception of something; aware of something.
• adj. Acting with or showing good sense; able to make good judgements based on reason.
• adj. Characterized more by usefulness or practicality than by fashionableness, especially of clothing.
• n. (obsolete) Sensation; sensibility.
• n. (obsolete) That which impresses itself on the senses; anything perceptible.
• n. (obsolete) That which has sensibility; a sensitive being.

sound

• adj. Healthy.
• adj. Complete, solid, or secure.
• adj. (mathematics, logic) Having the property of soundness.
• adj. (Britain, slang) Good; acceptable; decent.
• adj. (of sleep) Quiet and deep. Sound asleep means sleeping peacefully, often deeply.
• adj. Heavy; laid on with force.
• adj. Founded in law; legal; valid; not defective.
• adv. Soundly.
• interj. (Britain, slang) Yes; used to show agreement or understanding, generally without much enthusiasm.
• n. A sensation perceived by the ear caused by the vibration of air or some other medium.
• n. A vibration capable of causing such sensations.
• n. (music) A distinctive style and sonority of a particular musician, orchestra etc.
• n. Noise without meaning; empty noise.
• v. (intransitive) To produce a sound.
• v. (copulative) To convey an impression by one's sound.
• v. (intransitive) To be conveyed in sound; to be spread or published; to convey intelligence by sound.
• v. (intransitive, obsolete) To resound.
• v. (intransitive, law, often with in) To arise or to be recognizable as arising in or from a particular area…
• v. (transitive) To cause to produce a sound.
• v. (transitive, phonetics, of a vowel or consonant) To pronounce.
• n. (geography) A long narrow inlet, or a strait between the mainland and an island; also, a strait connecting…
• n. The air bladder of a fish.
• n. A cuttlefish.
• v. (intransitive) Dive downwards, used of a whale.
• v. To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try;…
• v. Test; ascertain the depth of water with a sounding line or other device.
• v. (medicine) To examine with the instrument called a sound or sonde, or by auscultation or percussion.
• n. (medicine) An instrument for probing or dilating; a sonde.
• n. A long, thin probe for sounding body cavities or canals such as the urethra.

tenable

• adj. (of a theory, argument, etc.) capable of being maintained or justified; well-founded.
• adj. (of a defensive structure) capable of being defended against assault or attack; defensible.

valid

• adj. Well grounded or justifiable, pertinent.
• adj. Acceptable, proper or correct.
• adj. Related to the current topic, or presented within context, relevant.
• adj. (logic) Of a formula or system: such that it evaluates to true regardless of the input values.
• adj. (logic) Of an argument: whose conclusion is always true whenever its premises are true.

well-founded

• adj. based on reasoning, evidence and good judgement.
• adj. properly substantiated.
• adj. (mathematics) Of a binary relation: such that every non-empty subset of the relation's domain has a minimal…