1
theorem(noun, support, action, base, beginning)
1
theory(noun, support, action, base, beginning)
1
tombstone
1
topping
1
truism(noun, law, regulation, order, test)
1
turning point
1
underpinning(noun, support, action, base, beginning)
1
upshot
1
vault
1
vaulting
1
vital element(expression, essential, foundation, kingpin, fulcrum)
1
voussoir
1
warp
1
warrant(noun, support, action, base, beginning)
1
winder
1
winding up(verb, phrasal verb, completion)
1
work done(expression, idiom, completion)
0
anchorwoman
0
angle
0
armature
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APASmart Define. (2015). keystone thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/keystone/thesaurus/synonyms
ChicagoSmart Define. 2015. "keystone thesaurus" https://smartdefine.org/keystone/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, keystone thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/keystone/thesaurus/synonyms>.
MLASmart Define. "keystone thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/keystone/thesaurus/synonyms>