It’s a positive omen to approve of something or someone in a dream. However, if the approval was one you would not normally give, you are being warned to open your eyes to a deceitful friend.
If you won someone else’s approval in a dream, you are having doubts about the right thing to do in a current situation - seek the guidance of others.
[1]Approval you’ve experienced in real life.
A desire for or expectation of approval.
Experiencing or fearing disapproval somehow in real life.
See Also: Liking, Decision, Someone Else’s, Decision, Your, Good, Advice or Opinion
[2]