Seasonably
Part of speech: adverb
Definition: In due season; at an opportune or fitting time. Varying with the season. In a manner appropriate to the season.
Apropos
Part of speech: adjective
Definition: Of an appropriate or pertinent nature.
Part of speech: preposition
Definition: Regarding or concerning.
Part of speech: adverb
Definition: “By the way”.timely, at a good time.