10 letters · 15 points in Scrabble
verb fill, as with a certain quality
verb infuse or fill completely
verb fertilize and cause to grow
originThe adjective is first attested in 1540, the verb in 1605; borrowed from Medieval Latin impraegnātus, perfect passive participle of Latin impraegnō, see -ate (verb-forming suffix) and -ate (adjective-forming suffix). Doublet of impregn; participial usage of the adjective up until Early Modern English.
Etymology from Wiktionary, CC BY-SA 3.0