timely

adjectives

before a time limit expires
"the timely filing of his income tax return"
is derived from
is similar to
acting or arriving or performed exactly at the time appointed
"she expected guests to be punctual at meals"; "he is not a particularly punctual person"; "punctual payment"
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"
is derived from
is derived from
is derived from

adverbs

at an opportune time
"your letter arrived apropos"