66 entries under act topic. ×

22
ritual(noun, nature, action, style)
16
observation(noun, style, understanding, mark)
16
service(noun, love, honor, passion)
15
compliance(noun, knowledge, weakness, agreement)
14
celebration(noun, knowledge, attention, party)
14
heed(noun, see, respect, note)
13
practice(noun, form, nature, action, characteristic)
12
obedience(noun, respect, knowledge, weakness)
12
attention(noun, understanding, mark, see)
11
note(noun, understanding, mark, see)
11
regard(noun, calm, understanding, mark)
10
cognizance(noun, understanding, mark, see)
10
mark(noun, see, respect, note)
10
notice(noun, understanding, mark, see)
10
performance(noun, nature, action, style)
9
commemoration(noun, remember, celebration, tribute)
9
form(noun, nature, action, characteristic)
8
remark(noun, mark, see, note)
7
convention(noun, nature, action, style)
6
etiquette(noun, nature, action, style)
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APASmart Define. (2015). observance thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/observance/thesaurus/synonyms
ChicagoSmart Define. 2015. "observance thesaurus" https://smartdefine.org/observance/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, observance thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/observance/thesaurus/synonyms>.
MLASmart Define. "observance thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/observance/thesaurus/synonyms>