agree with something Definition

agree
verb agreed, agreeing

1. To be of the same opinion as them about it.

Thesaurus: concur, acquiesce, assent, see eye to eye;.
Form: agree with someone (often)
Form: agree with something
Form: agree about something
2. To say yes to (a suggestion, request or instruction).

Thesaurus: concur, acquiesce, assent.
Form: agree to something (usually)
3. To reach a joint decision about it after discussion.

Form: agree on something (usually)
Form: agree upon something
4. To reach agreement about something.
5. grammar.
To have the same number, person, gender or case.
Form: agree with something (often)

Idiom: agree to differ

Said of two or more people, groups, etc: to agree to accept each other's different opinions.

Idiom: be agreed

To have reached the same conclusion.

Etymology: 14c: from French agreer.

Phrasal Verb: agree with someone

Usually said of food: to be suitable or good for them.
Example: Milk doesn't agree with me

Phrasal Verb: agree with something

To be consistent with it.