COHERENT

coherent, tenacious

(adjective) sticking together; “two coherent sheets”; “tenacious burrs”

coherent

(adjective) (physics) of waves having a constant phase relation

coherent, consistent, logical, ordered

(adjective) marked by an orderly, logical, and aesthetically consistent relation of parts; “a coherent argument”

coherent, logical, lucid

(adjective) capable of thinking and expressing yourself in a clear and consistent manner; “a lucid thinker”; “she was more coherent than she had been just after the accident”

Source: WordNet® 3.1

Etymology

Adjective

coherent (comparative more coherent, superlative most coherent)

Unified; sticking together; making up a whole.

Orderly, logical and consistent.

Aesthetically ordered.

Having a natural or due agreement of parts; harmonious: a coherent design.

(physics) Of waves having the same direction, wavelength and phase, as light in a laser.

(botany) Attaching or pressing against an organ of the same nature.

(math, of a sheaf) Belonging to a specific class of sheaves having particularly manageable properties closely linked to the geometrical properties of the underlying space.

Antonyms

• incoherent

Source: Wiktionary

Co*her"ent, a. Etym: [L. cohaerens, p. pr. See Cohere.]

1. Sticking together; cleaving; as the parts of bodies; solid or fluid. Arbuthnot.

2. Composed of mutually dependent parts; making a logical whole; consistent; as, a coherent plan, argument, or discourse.

3. Logically consistent; -- applied to persons; as, a coherent thinker. Watts.

4. Suitable or suited; adapted; accordant. [Obs.] Instruct my daughter how she shall persever, That time and place, with this deceit so lawful, May prove coherent. Shak.

Source: Webster’s Unabridged Dictionary 1913 Edition