This is the 686th most frequent Finnish word.
varmistaa
To ensure or to secure.
In this sentence, 'varmistaa' is used in the sense of confirming or ensuring that something is the way it is supposed to be.
Hän halusi varmistaa, että kaikki ovet olivat lukossa.
He wanted to ensure that all the doors were locked.
Here, 'varmistaa' means to verify or double-check a given scenario to affirm its condition.
Voi varmistaa tilanteen tarkistamalla uudelleen.
You can make sure of the situation by checking again.
In this case, 'varmistaa' expresses the intention of securing an outcome or result with confidence.