27 entries under probationary topic. ×

10
precursory(adjective, beginning, opening, basic, past)
6
exploratory(adjective, new, opening, trial, basic)
6
trial(noun, adjective, check, new, approval)
4
experimental(adjective, new, trial, untried, tentative)
3
prolegomenous(adjective, start, opening, words, basic)
3
tentative(adjective, hard, start, rough, new)
2
inductive(adjective, start, opening, basic, first)
2
test(noun, adjective, check, new, opening)
2
pilot(adjective, new, opening, trial, basic)
1
developmental(adjective, new, trial, untried, tentative)
1
experiential(adjective, new, trial, untried, tentative)
1
first stage(expression, adjective, new, trial, untried)
1
on approval(expression, adjective, new, trial, untried)
1
provisional(adjective, new, opening, trial, preparation)
1
transitional(adjective, tentative, exploratory)
1
trial-and-error(adjective, new, trial, untried, tentative)
1
unconcluded(adjective, new, trial, untried, tentative)
1
under probation(expression, adjective, new, trial, untried)
0
balloon(adjective, tentative, experimental, investigative)
0
not final(expression, adjective, tentative, exploratory)
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APASmart Define. (2015). preliminary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/preliminary/thesaurus/synonyms
ChicagoSmart Define. 2015. "preliminary thesaurus" https://smartdefine.org/preliminary/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, preliminary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/preliminary/thesaurus/synonyms>.
MLASmart Define. "preliminary thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/preliminary/thesaurus/synonyms>