01 a. Involving an option; depending on the exercise of an option; left to one's discretion or choice; allowed but not compulsory; as, optional s…
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Involving an option; depending on the exercise of an option; left to one's discretion or choice; allowed but not compulsory; as, optional studies; it is optional with you to go or stay.“If to the former the movement was not optional, it was the same that the latter chose when it was optional.” — Palfrey.“Original writs are either optional or peremptory.” — Blackstone.