292 entries under noun topic. ×

17
estimate(form, end, feeling, understanding)
16
estimation(guess, judgment, precise, estimate)
9
guess(form, end, feeling, understanding)
9
idea(form, end, understanding, plan)
9
likeness(connection, approach, balance, harmony)
9
similarity(approach, balance, parallel, relation)
6
affinity(connection, parallel, relation, likeness)
6
analogy(connection, parallel, relation, likeness)
6
appraisal(guess, estimate, calculation, guesstimate)
6
approach(approach, proximity, nearness, imminence)
6
calculation(guess, estimate, calculation)
6
assessment(guess, estimate, calculation, guesstimate)
6
computation(estimate, calculation, guesstimate, assessment)
6
conjecture(guess, estimate, guesstimate, estimation)
6
evaluation(guess, estimate, calculation, guesstimate)
6
nearness(touch, balance, relation, touching)
6
parity(connection, balance, harmony, parallel)
6
resemblance(connection, approach, balance, harmony)
5
counterpart(balance, equal, double, equivalent)
5
division(calculation, numeration)
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APASmart Define. (2015). approximation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/approximation/thesaurus/synonyms
ChicagoSmart Define. 2015. "approximation thesaurus" https://smartdefine.org/approximation/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, approximation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/approximation/thesaurus/synonyms>.
MLASmart Define. "approximation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/approximation/thesaurus/synonyms>