4
cognisance
4
concurrence(noun, agreement, consent, compliance, submission)
4
consciousness(noun, care, look, attention, glance)
4
consuetude(noun, form, characteristic, rule, thing)
4
convocation(noun, celebration, rite)
4
diligence(care, attention, caution, carefulness, watchfulness)
4
espial(noun, act, see, knowledge, observation)
4
execution(noun, performance, doing, observation, compliance)
4
faithfulness(noun, love, passion, affection, worship)
4
feast(noun, celebration)
4
festivity(noun, performance, party, triumph, celebration)
4
fidelity(noun, love, passion, knowledge, attention)
4
heeding(noun, knowledge, attention, observation, compliance)
4
holiday(noun, celebration, rite)
4
ordinance(noun, service, ritual, rite, ceremony)
4
religion(noun, system, belief, faith, conviction)
4
religiousness(noun, love, passion, affection, virtue)
4
salute(noun, celebration)
4
sanctity(noun, love, passion, affection, worship)
4
servility(noun, respect, weakness, agreement, reverence)
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APASmart Define. (2015). observance thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observance/thesaurus/synonyms
ChicagoSmart Define. 2015. "observance thesaurus" https://smartdefine.org/observance/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, observance thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observance/thesaurus/synonyms>.
MLASmart Define. "observance thesaurus" 23 December 2015. Web. 23 September 2026. <https://smartdefine.org/observance/thesaurus/synonyms>