coherent coherent /koʊˈhɪrənt/

adjective

1. () Marked by an orderly, logical, and aesthetically consistent relation of parts  ( consistent , logical , ordered , coherent )
   marked by an orderly, logical, and aesthetically consistent relation of parts
    A coherent argument
   a coherent argument
   
2. () Capable of thinking and expressing yourself in a clear and consistent manner  ( logical , lucid , coherent )
   capable of thinking and expressing yourself in a clear and consistent manner
    A lucid thinker
   a lucid thinker
    She was more coherent than she had been just after the accident
   she was more coherent than she had been just after the accident
   
3. Sticking together  ( coherent , tenacious )
   sticking together
    Two coherent sheets
   two coherent sheets
    Tenacious burrs
   tenacious burrs
   
4. (physics) of waves having a constant phase relation  ( coherent )
   (physics) of waves having a constant phase relation