εὐκαίρως
From LSJ
νοεῖν γάρ ἐστι κρεῖττον καὶ σιγὴν ἔχειν → it's better, you see, to understand and yet say nothing (Menander)
French (Bailly abrégé)
adv.
à propos;
Cp. εὐκαιρότερον, Sp. εὐκαιρότατα.
Étymologie: εὔκαιρος.
English (Strong)
adverb from εὔκαιρος; opportunely: conveniently, in season.