abandoned arbitrary autonomous discretional discretionary elective free free will go-go gratuitous immoderate incontinent independent indulgent intemperate irrepressible lax licentious loose nonmandatory nonrestrictive offered optional out of control out of hand permissive proffered rampant reinless riotous self-acting self-active self-determined self-determining spontaneous unasked unbesought unbidden unbridled uncalled-for unchecked uncompelled unconstrained uncontrolled uncurbed unforced ungoverned uninfluenced uninhibited uninvited unmastered unmeasured unmuzzled unpressured unprompted unreined unrepressed unrequested unrequired unreserved unrestrained unrestrictive unruly unsolicited unsought unsubdued unsuppressed voluntary volunteer wanton wild willful