Knightly

Part of speech: adjective (a.)

Of or pertaining to a knight; becoming a knight; chivalrous; as, a knightly combat; a knightly spirit. For knightly jousts and fierce encounters fit. Spenser. [Excuses] full knightly without scorn. Tennyson.

Part of speech: adverb (adv.)

In a manner becoming a knight. And why thou comest thus knightly clad in arms. Shak.