38 entries under extension topic. ×

12
continuation(noun, keep, line, spread, care)
9
continuance(noun, increase, keep, line, spread)
9
prolongation(noun, increase, keep, line, spread)
8
endurance(noun, period, persistence, continuation)
8
protraction(noun, run, endurance, persistence)
5
preservation(noun, increase, keep, line, spread)
4
persistence(noun, event, period, continuance)
3
maintenance(noun, keep, spread, care, protection)
3
continuity(noun, increase, line, period)
2
duration(noun, event, run, period)
2
permanence(noun, run, durability, duration)
2
propagation(noun, persistence, continuation, preservation)
2
sustenance(noun, increase, line, persistence)
1
increase(noun, line, persistence, continuation)
1
maintaining(noun, increase, line, persistence)
1
perpetuating(noun, increase, line, persistence)
1
sequel(noun, increase, line, persistence)
1
sustaining(noun, increase, keep, line, care)
0
addition maintenance(noun, expression, increase, line)
0
assiduity(noun, increase, line, persistence)
<12>
11 years ago|1.8k views|share |citing 
APASmart Define. (2015). perpetuation thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/perpetuation/thesaurus/synonyms
ChicagoSmart Define. 2015. "perpetuation thesaurus" https://smartdefine.org/perpetuation/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, perpetuation thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/perpetuation/thesaurus/synonyms>.
MLASmart Define. "perpetuation thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/perpetuation/thesaurus/synonyms>