This is the 16385th most frequent Russian word.
решился
"Decided" or "dared."
Here, 'решился' indicates a firm personal decision made after hesitation or courage gathering.
Я наконец решился сказать правду.
I finally decided to tell the truth.
This usage of 'решился' implies making a bold choice despite potential risks.
Он решился на рискованное путешествие.
He decided on a risky journey.
In this sentence, 'решились' demonstrates a collective decision made after consideration.