Ichidan verb, Intransitive verbto grow senile; to be childish with age · to be mentally slow; to be befuddled · to play stupid; to say something stupid (oft. on purpose; esp. as part of a comedic routine)

Ichidan verb, Intransitive verbto fall in love (with); to fall for; to become enamored (with); to be taken (with) · to be attracted (by); to be charmed (by); to be captivated (by); to be impressed (by); to admire · to forget oneself; to be entranced (by)

Ichidan verb, Intransitive verbto play dumb; to feign ignorance; to play innocent; to have a blank facial expression · to play the fool · to be in one's dotage

I-adjective (keiyoushi)soon to fall in love

Nounspeaking fondly about one's sweetheart (spouse, girlfriend, etc.); going on about one's love affairs