| Retentive 1. (a.) Having power to retain; as, a retentive memory. 2. (n.) That which retains or confines; a restraint. Thesaurus Entries adhering, adhesion, agglutinate, bond, cleaving, cling, coherence, coherent, cohering, cohesion, cohesive, grasping, gripping, holding, holding together, keeping, retentive, sticking, stuck, tenacious | ![]() |