The Oxford Thesaurus An A-Z Dictionary of Synonyms - opportune adj.

1) favourable, advantageous, auspicious, good, felicitous, happy, propitious, beneficial, helpful, fortunate, lucky, profitable: As I need money, and you have it to invest, our meeting is most opportune. 2) timely, well-timed, seasonable, apt, appropriate, germane, pertinent, convenient, fitting, suitable, becoming: If this is not an opportune time to bring up the matter of the money you owe me, just say so.