Definitions
There is 1 meaning of the phrase
Believe In.
Believe In - as a verb
Have a firm conviction as to the goodness of something
Example: "John believes in oat bran"
Example Sentences
"I believe in the power of positive thinking."
"He doesn't believe in ghosts."
"We believe in equal rights for all."
"They believe in the importance of education."
"Many people believe in God."