Coherent

1. adjective

   marked by an orderly, logical, and aesthetically consistent relation of parts

   “a coherent argument”

   Similar: consistent, logical, ordered

2. adjective

   capable of thinking and expressing yourself in a clear and consistent manner

   “a lucid thinker”

   Similar: logical, lucid

3. adjective

   (physics) of waves having a constant phase relation

4. adjective

   sticking together

   “two coherent sheets”

   Similar: tenacious