Synonyms of of one's own volition in English:

of one's own volition

See definition of of (or by or on) one's own volition


1‘they chose to leave early of their own volition’

of one's own free will, of one's own accord, of one's own choice, of one's own choosing, by choice, by preference, by one's own preference
voluntarily, willingly, readily, freely, intentionally, consciously, deliberately, on purpose, purposely, spontaneously, without being asked, without hesitation, without reluctance
gladly, with pleasure, with good grace, eagerly, enthusiastically