Main entry: well timed, well-timed, timely, seasonable
Definition: done or happening at the appropriate or proper time
Usage: 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
Main entry: timely
Definition: before a time limit expires
Usage: the timely filing of his income tax return
Main entry: apropos, seasonably, timely, well-timed
Definition: at an opportune time
Usage: your letter arrived apropos