Which of the following words is closest in meaning to “Opportune”?

Opportune means happening at a suitable time; timely.

• Correct answer - timely: it has the same meaning as Opportune.
• optimum: the best possible - wrong, it does not mean the same as Opportune.
• occasional: happening now and then - wrong, it does not mean the same as Opportune.
• awkward: clumsy or embarrassing - wrong, it does not mean the same as Opportune.