What is another word for "constancy"?

Roget's Thesaurus (1911) lists these synonyms for "constancy": accord, accordance, agreement, all, allegiance, always, and, answer, assimilate, attend, bear, beck, become, bidding, call, clockwork, come, command, compliance, compliant, comply, conform, conformably, conformity, connatural, connaturality, connaturalness, consistency, consistent, consonance, control, deference, devoted, devotion, dissimilarity, dissimilitude, divarication, divergence, diversified, diversity.