1. to be convinced (that), to be under the impression (that), to feel sure (that), to assume (that)

intransitive verb Godan verb with 'mu' ending

2. to make up one's mind, to set one's heart on, to be determined (to do), to be bent on

Godan verb with 'mu' ending intransitive verb

3. to be obsessed (with a thought, idea, etc.), to think about obsessively

Godan verb with 'mu' ending intransitive verb