80 entries under rule topic. ×

48
basic(noun, adjective, characteristic, drop, part)
11
axiom(noun, law, support, regulation, action)
11
basis(noun, law, regulation, action, drop)
11
principle(noun, law, support, action, drop)
10
base(noun, adjective, support, regulation, action)
9
law(noun, support, regulation, action, order)
8
foundation(noun, law, regulation, part, cause)
6
doctrine(noun, law, opinion, notion)
6
theorem(noun, law, support, regulation, action)
5
standard(noun, adjective, law, regulation, order)
4
belief(noun, regulation, attitude, statement)
4
postulate(noun, verb, law, support, regulation)
4
principium(noun, law, regulation, part)
3
absolute(noun, adjective, certain, essential)
3
assumption(noun, law, support, regulation, action)
2
cause(noun, support, regulation, action, start)
2
ground(noun, law, regulation, cause, start)
1
action(noun, law, support, base)
1
article(regulation, belief, statement, principle)
1
article of faith(expression, regulation, belief, statement)
10 years ago|25k views|share |citing 
APASmart Define. (2016). fundamental thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fundamental thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>.
MLASmart Define. "fundamental thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms>