WordNet sense 1 (capable of thinking and expressing yourself in a clear and consistent manner):

logical, lucid

WordNet sense 2 (consistent with or based on or using reason):

rational

WordNet sense 3 (marked by an orderly, logical, and aesthetically consistent relation of parts):

consistent, ordered, orderly

WordNet sense 4 (sticking together):

tenacious

WordNet sense 5 (tending to adhere):

adhesive