7 letters · 11 points in Scrabble
adjective of an appropriate or pertinent nature
adverb at an opportune time
adverb introducing a different topic; in point of fact
originBorrowed from French à propos (“on that subject”). Similar in meaning and form, and to some extent etymology, to appropriate, but not a doublet of it.
Etymology from Wiktionary, CC BY-SA 3.0