Synonyms and related words :
alternate choice, alternative, call, chance, choice, discretion, druthers, election, emption, first option, first refusal, free choice, free decision, free will, full consent, noncontingent free will, opportunity, optionality, pleasure, possible choice, preemption, preference, prerogative, privilege, put, put and call, recourse, refusal, right, right of emption, right of preemption, say, say-so, selection, spread, stock option, straddle, strap, strip, way out, will and pleasure