worthy of being recommended or suggested; prudent or wise; "such action is neither necessary nor advisable"; "extreme caution is advisable"; "it is advisable to telephone first"
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"
before a time limit expires; "the timely filing of his income tax return"