What does concur mean?

Question

A friend of mine said, "I concur with you" and I have no clue what that means... I dont want to sound like a total air head and ask him, so please I need answers......Thank you!!

Answer 1

to agree

Answer 2

agree, to coincide

Answer 3

1. to accord in opinion; agree: Do you concur with his statement?  

2. to cooperate; work together; combine; be associated: Members of both parties concurred.  

3. to coincide; occur at the same time: His graduation concurred with his birthday.  

4. Obsolete. to run or come together; converge.

Answer 4

it just simply means your friend agrees with you.