'Coherent' definitions:

Definition of 'coherent'

From: WordNet
adjective
Marked by an orderly, logical, and aesthetically consistent relation of parts; "a coherent argument" [syn: coherent, consistent, logical, ordered] [ant: incoherent]
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" [syn: coherent, logical, lucid]
adjective
(physics) of waves having a constant phase relation [ant: incoherent]
adjective
Sticking together; "two coherent sheets"; "tenacious burrs" [syn: coherent, tenacious]

Definition of 'Coherent'

From: GCIDE
  • Coherent \Co*her"ent\, a. [L. cohaerens, p. pr. See Cohere.]
  • 1. Sticking together; cleaving; as the parts of bodies; solid or fluid. --Arbuthnot. [1913 Webster]
  • 2. Composed of mutually dependent parts; making a logical whole; consistent; as, a coherent plan, argument, or discourse. [1913 Webster]
  • 3. Logically consistent; -- applied to persons; as, a coherent thinker. --Watts. [1913 Webster]
  • 4. Suitable or suited; adapted; accordant. [Obs.] [1913 Webster]
  • Instruct my daughter how she shall persever, That time and place, with this deceit so lawful, May prove coherent. --Shak. [1913 Webster]
  • 5. (Physics, Optics) Of or pertaining to electromagnetic waves that have a constant phase relationship with each other; having identical phase at all points; as, the coherent light produced by a laser. [PJC]