1. To take or seize, especially in a reflexive sense
   "He betook himself to his studies"
    
2. To entrust or commit (oneself) to someone or something
   "They betook themselves to the care of their relatives"
    
3. To have recourse to; to go to; to resort
   "In times of trouble, he would betake himself to prayer"

Derived forms: betakes, betaking, betook, betaken