This is the 664th most frequent Croatian word.
vjerujem
"I believe."
Here, 'vjerujem' conveys an interpersonal trust in someone's character.
Vjerujem svom prijatelju jer me nikada nije izdao.
I trust my friend because he has never betrayed me.
In this sentence, 'vjerujem' is used to express a belief or expectation.
Vjerujem da će sutra biti sunčan dan.
I believe that tomorrow will be a sunny day.
In this context, 'vjerujem' denotes a moral or ideological belief in certain values.