ascertain

Fetched 2026-10-26 (cache).

Synonyms: a certain, uncertain, certain, appertain, incertain, reascertain, ascertains

Antonyms: a certain, uncertain, certain, appertain, incertain, reascertain, ascertains

Related words from Datamuse; suggestions, not definitions.

Verb

1. {{lb|en|transitive}} To [[find out]] [[definitely]]; to [[discover]] or [[establish]].
2. {{lb|en|transitive|obsolete}} To make (someone) [[certain]] or [[confident]] about something; to [[inform]].
3. {{lb|en|intransitive|Yorkshire|dated}} To [[look]] for something [[lost]].
4. {{lb|en|transitive|archaic}} To [[establish]], to [[prove]].
5. {{lb|en|transitive|archaic}} To [[ensure]] or [[effect]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.