36 entries under guesstimate topic. ×

3
basis(noun, cause, start, top, base)
2
axiom(noun, base, suggestion, beginning, guess)
-2
premise(noun, base, suggestion, beginning, guess)
-2
principle(noun, cause, base, suggestion, beginning)
-2
say so(expression, theory, premise)
-2
stab in the dark(expression, idiom, theory, premise)
-2
general truth(expression, theory, premise)
-3
condition(suggestion, theory, supposition, premise)
-3
educated guess(expression, theory, premise)
-3
guess(suggestion, theory, supposition, premise)
-3
guesswork(theory, premise)
-3
hard fact(noun, expression, base, beginning, source)
-3
hard facts(expression, theory, premise)
-3
principal element(noun, expression, base, beginning, source)
-3
self-evident truth(expression, theory, premise)
-3
sine qua non(expression, idiom, theory, premise)
-3
sneaking suspicion(expression, theory, premise)
-3
surmisal(theory, premise)
-4
apriorism(noun, theory, premise)
-4
apriority(noun, suggestion, theory, supposition)
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APASmart Define. (2015). starting point thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/starting_point/thesaurus/synonyms
ChicagoSmart Define. 2015. "starting point thesaurus" https://smartdefine.org/starting_point/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, starting point thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/starting_point/thesaurus/synonyms>.
MLASmart Define. "starting point thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/starting_point/thesaurus/synonyms>