to make (something) suitable for a new use, need, situation etc
adjust to a different situation or condition
Cases of word usage
1) able to adapt or be adapted (adaptable)
2) (of a person) unable to adapt properly to society (maladjusted)
3) a series of notes forming a melody (of a song etc); to adjust (a musical instrument) to the right pitch; to adjust or adapt (the engine of a vehicle) so that it gives its best performance (tune)