1
on second thoughts(conjunction, also, besides, despite, however)
1
on the other hand(conjunction, also, besides, despite, however)
1
on what occasion(expression, idiom)
1
opportune
1
pending
1
period
1
place
1
proceed
1
proper
1
rather
1
represent
1
seasonable
1
sometime
1
subordinating conjunction
1
suitable
1
suppose
1
than
1
that
1
though that(conjunction, also, besides, despite, however)
1
throughout
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APASmart Define. (2016). when thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/when/thesaurus/synonyms
ChicagoSmart Define. 2016. "when thesaurus" https://smartdefine.org/when/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, when thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/when/thesaurus/synonyms>.
MLASmart Define. "when thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/when/thesaurus/synonyms>