Cohesion
stickiness, viscosity, tackiness, gluiness, gumminess, cementation, congelation, soldering, adhesiveness, glutinousness, sticking together, agglutination, coagulation, viscidity, glutinosity, adherence, set, amalgamation, fusion, sticking, union, adhesion, attachment, tenacity, conglutination, cohesiveness, consistency, solidarity, inseparability, inseparableness.
Closely built relationship
consistency, congruity, logical connection, connectedness, sense, logic, rationality, intelligibility, clarity, continuity, connection, interconnection, integration, integrity, consonance, agreement, harmony, concord, correspondence, construction, unity.
Antonyms inconsistency, incoherence, disjunction.