go by

to accept what someone or something says when you are deciding what to do or think

Example: Going by what Tim said, we should be there by mid-afternoon.

to base an opinion on something

Example: He had been a fool to go by his father's rules, in his father's territory.

to move past a place or stop there for a short time during a journey

Example: I went by the post office on the way home.

to use a particular name for yourself that is not your real name

Example: It’s never very wise to go by appearances.