perustua.
to be based on [with illative] (e.g. of a work of art)
Meaning & usage
to be based on [with illative] (e.g. of a work of art)
Elokuva perustuu tositapahtumiin.
to be based on, be grounded in [with illative] (e.g. of an opinion)
Mihin mielipiteesi perustuu?
to be founded on, be based on, rest on [with allative or illative] (e.g. of some sort of system)
Tämä yhteiskunta perustuu luottamukselle.
Where this word comes from
perustaa (“to base, found”) + -ua
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.