1. (

• steep ,
• immerse ,
• engulf ,
• plunge ,
• engross ,
• absorb ,
• soak_up

) devote (oneself) fully to; "He immersed himself into his studies" ;

2. (

• absorb ,
• engross ,
• engage ,
• occupy

) consume all of one's attention or time; "Her interest in butterflies absorbs her completely" ;