55 entries under realistic topic. ×

28
likely(adjective, good, reasonable, appropriate, solid)
20
possible(adjective, reasonable, appropriate, solid, fair)
14
plausible(adjective, sound, reasonable, sensible, solid)
13
credible(adjective, reasonable, solid, fair, acceptable)
13
presumable(adjective, reasonable, solid, fair, belief)
12
believable(adjective, reasonable, happen, authentic)
12
reasonable(adjective, good, sound, appropriate, sensible)
11
conceivable(adjective, reasonable, easy, fair, acceptable)
10
feasible(adjective, reasonable, fair, acceptable)
6
presumptive(adjective, reasonable, belief, authentic)
5
hopeful(adjective, good, reasonable, solid, fair)
5
rational(adjective, sound, reasonable, sensible, solid)
5
imaginable(adjective, reasonable, fair, acceptable)
5
seeming(verb, adjective, reasonable, fair, false)
5
unquestionable(adjective, reasonable, authentic, satisfying)
4
convincing(adjective, sound, reasonable, sensible, rational)
4
thinkable(adjective, reasonable, fair, acceptable)
3
acceptable(adjective, reasonable, solid, fair)
3
practicable(adjective, reasonable, appropriate, fair, acceptable)
2
achievable(adjective, reasonable, appropriate, fair, acceptable)
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APASmart Define. (2015). probable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/probable/thesaurus/synonyms
ChicagoSmart Define. 2015. "probable thesaurus" https://smartdefine.org/probable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, probable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/probable/thesaurus/synonyms>.
MLASmart Define. "probable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/probable/thesaurus/synonyms>