Synonyms of the word

dependable

• adj. Able, or easily able to be depended on.
• n. A reliable person or thing.

certain

• adj. Sure, positive, not doubting.
• adj. (obsolete) Determined; resolved.
• adj. Not to be doubted or denied; established as a fact.
• adj. Actually existing; sure to happen; inevitable.
• adj. Unfailing; infallible.
• adj. Fixed or stated; regular; determinate.
• adj. Not specifically named; indeterminate; indefinite; one or some; sometimes used independently as a noun,…
• pron. (with of) Unnamed or undescribed members (of).
• n. (with "the") Something certain.

good

• adj. (of people).
• adj. (of capabilities).
• adj. (of properties and qualities).
• adj. (colloquial) With "and", extremely.
• adj. Holy (especially when capitalized).
• adj. (of quantities).
• interj. That is good; an elliptical exclamation of satisfaction or commendation.
• adv. (nonstandard) Well; satisfactorily or thoroughly.
• n. (uncountable) The forces or behaviors that are the enemy of evil. Usually consists of helping others and…
• n. (countable) A result that is positive in the view of the speaker.
• n. (uncountable) The abstract instantiation of goodness; that which possesses desirable qualities, promotes…
• n. (countable, usually in the plural) An item of merchandise.
• v. (intransitive, now chiefly dialectal) To thrive; fatten; prosper; improve.
• v. (transitive, now chiefly dialectal) To make good; turn to good; improve.
• v. (intransitive, now chiefly dialectal) To make improvements or repairs.
• v. (intransitive, now chiefly dialectal) To benefit; gain.
• v. (transitive, now chiefly dialectal) To do good to (someone); benefit; cause to improve or gain.
• v. (transitive, now chiefly dialectal) To satisfy; indulge; gratify.
• v. (reflexive, now chiefly dialectal) To flatter; congratulate oneself; anticipate.
• v. (transitive, now chiefly dialectal, Scotland) To furnish with dung; manure; fatten with manure; fertilise.

honest

• adj. (of a person or institution) Scrupulous with regard to telling the truth; not given to swindling, lying,…
• adj. (of a statement) True, especially as far as is known by the person making the statement; fair; unbiased.
• adj. In good faith; without malice.
• adj. (of a measurement device) Accurate.
• adj. Authentic; full.
• adj. Earned or acquired in a fair manner.
• adj. Open; frank.
• adj. (obsolete) Decent; honourable; suitable; becoming.
• adj. (obsolete) Chaste; faithful; virtuous.
• v. (obsolete) To adorn or grace; to honour; to make becoming, appropriate, or honourable.
• adv. (colloquial) Honestly; really.

reliable

• adj. Suitable or fit to be relied on; worthy of dependence or reliance; trustworthy.
• adj. (signal processing, of a communication protocol) Such that either a sent packet will reach its destination,…
• n. Something or someone reliable or dependable.

rock-steady

• adj. consistent and dependable in one's behaviour or performance.

safe

• adj. Not in danger; free from harm's reach.
• adj. Free from risk; harmless, riskless.
• adj. Providing protection from danger; providing shelter.
• adj. (baseball) When a batter successfully reaches first base, or when a baserunner successfully advances to…
• adj. Properly secured; secure.
• adj. (used after a noun, often forming a compound) Not susceptible to a specified source of harm.
• adj. (Britain, slang) Great, cool, awesome, respectable; a term of approbation.
• adj. (slang) Lenient, usually describing a teacher that is easy-going.
• adj. Reliable.
• adj. Cautious.
• n. A box, usually made of metal, in which valuables can be locked for safekeeping.
• n. (slang) A condom.
• n. (dated) A ventilated or refrigerated chest or closet for securing provisions from noxious animals or insects.
• v. (transitive) To make something safe.

secure

• adj. Free from attack or danger; protected.
• adj. Free from the danger of theft; safe.
• adj. Free from the risk of eavesdropping, interception or discovery; secret.
• adj. Free from anxiety or doubt; unafraid.
• adj. Firm and not likely to fail; stable.
• adj. Free from the risk of financial loss; reliable.
• adj. Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly…
• adj. Overconfident; incautious; careless.
• v. To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect.
• v. To put beyond hazard of losing or of not receiving; to make certain; to assure; frequently with against…
• v. To make fast; to close or confine effectually; to render incapable of getting loose or escaping.
• v. To get possession of; to make oneself secure of; to acquire certainly.

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.

steady

• adj. Firm in standing or position; not tottering or shaking; fixed; firm.
• adj. Constant in feeling, purpose, or pursuit; not fickle, changeable, or wavering; not easily moved or persuaded…
• adj. Smooth and not bumpy or with obstructions.
• adj. Regular and even.
• adj. Slow.
• v. To stabilize something; to prevent from shaking.
• n. (informal) A regular customer.

sure

• adj. Physically secure and certain, non-failing, reliable.
• adj. Certain in one's knowledge or belief.
• adj. Certain to act or be a specified way.
• adj. (obsolete) Free from danger; safe; secure.
• adj. (obsolete) Betrothed; engaged to marry.
• adv. (modal adverb) Without doubt, certainly.
• interj. Yes. (Expresses noncommittal agreement or consent.).
• interj. Yes; of course.

tested

• v. simple past tense and past participle of test.

time-tested

• adj. Tested and proved to be reliable over a period of time.

tried

• adj. Tested, hence, proven to be firm or reliable.
• adj. (law) Put on trial, taken before a lawcourt.
• v. simple past tense and past participle of try.

true

• adj. (of a statement) Conforming to the actual state of reality or fact; factually correct.
• adj. Conforming to a rule or pattern; exact; accurate.
• adj. (logic) Of the state in Boolean logic that indicates an affirmative or positive result.
• adj. Loyal, faithful.
• adj. Genuine.
• adj. Legitimate.
• adj. (of an aim or missile in archery, shooting, golf, etc.) Accurate; following a path toward the target.
• adj. (chiefly probability) Fair, unbiased, not loaded.
• adv. (of shooting, throwing etc) Accurately.
• n. Truth.
• n. The state of being in alignment.
• v. To straighten.
• v. To make even, level, symmetrical, or accurate, align; adjust.

trustworthy

• adj. Deserving of trust, reliable.

trusty

• adj. Reliable or trustworthy.
• n. A trusted person, especially a prisoner who has been granted special privileges.

undeviating

• adj. that does not deviate, veer or turn aside; unswerving.
• adj. that does not change; steady.