by choice
• of one's own accord.
• "she did not leave the academic world by choice, but because her future seemed blocked"
Similar:
voluntarily,
of one's own accord,
of one's own free will,
of one's own volition,
of one's own choice,
of one's own choosing,
by preference,
willingly,
readily,
freely,
intentionally,
deliberately,
on purpose,
purposely,
spontaneously,
without being asked,
without being forced,
without hesitation,
without reluctance,
gladly,
with pleasure,
with good grace,
eagerly,
enthusiastically,
