Cohesive
Part of speech: adjective
Definition: Having cohesion.
Example sentence: The Labour party has, from the beginning, been made up of diverse factions; that's its beauty - asking it to become cohesive is like trying to find one shampoo that will care for the hair of everybody in Angelina Jolie's house.
Adhesive
Part of speech: adjective
Definition: Sticky; tenacious, as glutinous substances.Apt or tending to adhere; clinging.
Part of speech: noun
Definition: A substance, such as glue, that provides or promotes adhesion.