free will
noun
• the power of acting without the constraint of necessity or fate; the ability to act at one's own discretion.
Similar:
volition,
independence,
self-determination,
self-sufficiency,
autonomy,
spontaneity,
freedom,
liberty,
voluntarily,
willingly,
readily,
freely,
spontaneously,
without reluctance,
without being forced,
without being asked,
without being encouraged,
of one's own accord,
of one's own volition,
of one's own choosing,
by one's own preference,
Opposite:
under duress,
free will
adjective
• (especially of a donation) voluntary.
• "free-will offerings"