identify withஒன்றிப் போoṉṟip pō(onri poo)(3b intr)lose o.s. in, as a character in a film, etc.; become or feel at one with; associate o.s. inseparably with; put o.s. in the place of; assume the character of
Usage:
அந்த நடிகர் அந்தப் பாத்திரத்தில் ஒன்றிப்போனார்anta naṭikar antap pāttirattil oṉṟippōṉār
anda naḍihar anda paattiratle onri poonaaru
The actor managed to completely identify (himself) with the character.