Collocations for believe - verb

deeply, fervently, firmly, passionately, really
He firmly believed that he was right.

genuinely, honestly, sincerely, truly
completely, fully
seriously (only used with negatives)
No one seriously believes that this war will happen.

personally
I personally believe that it's important.

long
I've long believed that a good reputation is the most valuable asset you can have in business.

secretly
rightly
erroneously (formal), falsely, incorrectly, mistakenly, wrongly
foolishly, naively
otherwise
Paul thinks he's happy, but his mother believes otherwise.

cannot
I couldn't believe what I was hearing.

be hard to
It's hard to believe that this campaign has been going on for ten years.

give sb to (BrE)
The boss gave me to believe that we would be paid soon.

have reason to
We have reason to believe that the escaped prisoner may be hiding in this house.

be inclined to
I'm inclined to believe you.

lead sb to
The ad led us to believe that all prices had been cut.

can hardly believe sth, can scarcely believe sth
not believe a word of sth
I didn't believe a word of what he said.

Believe is used with these nouns as the subject:
Christian, critic, expert, observer, researcher, scientist

Believe is used with these nouns as the object:
claim, doctrine, excuse, hype, lie, myth, nonsense, propaganda, rumour, story, word, worst