12 letters · 18 points in Scrabble
adjective entrusted with private information and the confidence of another
adjective (of information) given in confidence or in secret
adjective denoting confidence or intimacy
originFrom Latin cōnfīdentia + English -al. Possibly a calque of French confidentiel. First attested in 1641.
Etymology from Wiktionary, CC BY-SA 3.0