arbitrary autonomous autonomousness autonomy come forward discretional discretionary do independently do voluntarily elective free free will gratuitous gratuitousness independence independent need no prodding nonmandatory offered optional proffered self-acting self-action self-active self-activity self-determination self-determined self-determining spontaneity spontaneous spontaneousness step forward unasked unbesought unbidden uncalled-for uncoerced uncompelled unforced unforcedness uninfluenced uninvited unpressured unprompted unrequested unrequired unsolicited unsought voluntariness voluntarism voluntary voluntaryism volunteer militia volunteer navy volunteering willful