timely vs seasonable

timely and seasonable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
timely	No	Yes	No	Yes
seasonable	No	Yes	No	No

As adjectives, timely and seasonable are synonyms defined as:

timely and seasonable: done or happening at the appropriate or proper time

Other synonyms of timely include well-timed, well timed.

timely (adjective)	seasonable (adjective)
done or happening at the appropriate or proper time	in keeping with the season
before a time limit expires	done or happening at the appropriate or proper time

timely (adverb)	seasonable (adverb)
at an opportune time