coherent

adjective

1. 1

   sticking together

   two coherent sheets

   tenacious burrs

2. 2

   (physics) of waves having a constant phase relation

3. 3

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

   a coherent argument

4. 4

   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