1. timely, seasonable, well-timed(prenominal), well timed(predicate), opportune (vs. inopportune)
usage: done or happening at the appropriate or proper time; "a timely warning"; "with timely treatment the patient has a good chance of recovery"; "a seasonable time for discussion"; "the book's publication was well timed"
Adverb
1. seasonably, timely, well-timed, apropos
usage: at an opportune time; "your letter arrived apropos"