Entry 2 senses · 2 variants Webster, 1913 Knightly · Knight·ly · IPA /ˈnaɪtli/ a. adv. 01 a. Of or pertaining to a knight; becoming a knight; chivalrous; as, a knightly combat; a knightly spirit. 1. 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. 02 adv. In a manner becoming a knight. 1. In a manner becoming a knight. “And why thou comest thus knightly clad in arms.” — Shak.