noun, noun or participle which takes 'suru'
demonstrate one's true ability; show what one is really capable of; exhibit one's distinctive character
Used when someone finally performs at their best or when something fully displays its unique qualities. Often appears in the pattern 本領を発揮する.
彼は試合で本領を発揮した。
He showed his true ability in the match.
この料理は素材の味
This dish really brings out the distinctive flavor of the ingredients.