adj. 25B6; adjective OPPORTUNE, advantageous, favourable, auspicious, propitious, heaven-sent, welcome, golden, lucky, happy, fortunate, felicitous, timely, well timed, seasonable, convenient, expedient.
inopportune.
PROVIDENTIAL
Meaning of PROVIDENTIAL in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012