definition of
[coherent]

[1] #1 coherent a. [consistent, logical, ordered] marked by an orderly, logical, and aesthetically consistent relation of parts; "a coherent argument". wn

[2] #2 coherent a. (physics) of waves having a constant phase relation. wn

[3] #3 coherent s. [tenacious] sticking together; "two coherent sheets"; "tenacious burrs". wn