proud
adj.adj. feeling very happy and satisfied because you or someone you know did something great. You might feel this way after passing a hard test or seeing a friend win a race.
adj. feeling deep pleasure or satisfaction as a result of one's own achievements, qualities, or possessions, or those of someone with whom one is closely associated.
She is very proud of her high test scores.
The parents felt incredibly proud as they watched their daughter walk across the stage to receive her diploma.
While he was rightfully proud of his professional accomplishments, he remained humble enough to acknowledge the mentors who had supported his early career.
Commonly takes the preposition 'of' followed by a noun or gerund.
I am proud for my brotherI am proud of my brotherThe adjective proud almost always takes the preposition 'of' when identifying the source of the pride.