Main entry: seasonable
Definition: in keeping with the season
Usage: a hard but seasonable frost; seasonable clothes
Antonyms: unseasonable
Definition: not in keeping with (and usually undesirable for) the season
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
Antonyms: inopportune
Definition: not opportune