Adherence is a term that refers to the act of staying loyal and devoted to something. The crossword solutions for adherence include FAITHFULNESS (12 letters), STABILITY (9 letters), COHERENCE (9 letters), ALLEGIANCE (10 letters), DEDICATION (10 letters), OBSERVANCE (10 letters), FIDELITY (8 letters), LOYALTY (7 letters), TRACTION (8 letters), fixedness (9 letters), CONSTANCY (9 letters), DEVOTION (8 letters), CLING (5 letters), purism (6 letters), and COHESION (8 letters). All of these words refer to the idea of being devoted and loyal to something, whether it be an idea, a person, or an organization.