Synonyms of the word

acuteness

• n. The quality of being acute or pointed.
• n. (of the senses or feelings) The faculty of precise discernment or perception; sensitiveness.
• n. Shrillness; high pitch; – said of sounds.
• n. Violence of a disease, which brings it speedily to a crisis.
• n. Shrewdness, quickness of mind.

acuity

• n. Sharpness or acuteness, as of a needle, wit, etc.

intelligence

• n. (uncountable) Capacity of mind, especially to understand principles, truths, facts or meanings, acquire…
• n. (countable) An entity that has such capacities.
• n. (uncountable) Information, usually secret, about the enemy or about hostile activities.
• n. (countable) A political or military department, agency or unit designed to gather information, usually…
• n. (dated) Acquaintance; intercourse; familiarity.

keenness

• n. sharpness or cutting ability.
• n. astuteness or sagacity.
• n. eagerness or enthusiasm.

sensibility

• n. The ability to sense, feel or perceive; especially to be sensitive to the feelings of another.
• n. (chiefly in the plural) An acute awareness or feeling.

sensitiveness

• n. The ability to perceive sensation.
• n. The ability to be aware of (and, usually, react with regard to) the feelings of others.

sensitivity

• n. The quality of being sensitive.
• n. The ability of an organism or organ to respond to external stimuli.
• n. (statistics) The proportion of individuals in a population that will be correctly identified in a binary…
• n. (electronics) The degree of response of an instrument to a change in an input signal.
• n. (photography) The degree of response of a film etc. to light of a specified wavelength.

sharpness

• n. (uncountable) the cutting ability of an edge; keenness.
• n. (uncountable) the fineness of the point a pointed object.
• n. (countable) The product or result of being sharp.
• n. (of food etc) pungency or acidity.
• n. (of an image) distinctness, focus.
• n. (of intelligence) acuteness or acuity.
• n. (obsolete) edge or blade.