3
preservation
2
improvement
2
saving(noun, adjective)
1
betterment
1
care
0
advance
0
keep
0
principle
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APASmart Define. (2015). conservation thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/conservation/thesaurus/broader
ChicagoSmart Define. 2015. "conservation thesaurus" https://smartdefine.org/conservation/thesaurus/broader (accessed September 22, 2026).
HarvardSmart Define 2015, conservation thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/conservation/thesaurus/broader>.
MLASmart Define. "conservation thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/conservation/thesaurus/broader>