Crossword Clue:

STUDY to apply oneself to learning

AnswerCrossword Clue
GETATApply oneself to.
GETATApply oneself to
READApply oneself to.
DEVOTEApply oneself (to)
GETATApply oneself to, as work.
KNUCKLEDOWNApply oneself to a task