| experimental(adjective, unsettled, trial, penetrating) | |
| trial(adjective, opening, unsettled, basic) | |
| preliminary(adjective, opening, trial, basic) | |
| tentative(adjective, unsettled, trial, untried) | |
| provisional(adjective, opening, unsettled, trial) | |
| pilot(adjective, opening, trial, basic) | |
| developmental(adjective, trial, untried, tentative) | |
| empirical(adjective, trial, untried, tentative) | |
| experiential(adjective, trial, untried, tentative) | |
| first stage(expression, adjective, trial, untried) | |
| on approval(expression, adjective, trial, untried) | |
| probationary(adjective, unsettled, trial, untried) | |
| test(adjective, opening, unsettled, trial) | |
| trial-and-error(adjective, trial, untried, tentative) | |
| unconcluded(adjective, trial, untried, tentative) | |
| under probation(expression, adjective, trial, untried) |
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| APA | Smart Define. (2015). exploratory thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/exploratory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "exploratory thesaurus" https://smartdefine.org/exploratory/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, exploratory thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/exploratory/thesaurus/synonyms>. |
| MLA | Smart Define. "exploratory thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/exploratory/thesaurus/synonyms> |