Synonyms for Knightly (same or very similar meaning)
WordNet sense 1 (characteristic of the time of chivalry and knighthood in the Middle Ages):
medieval, chivalric
WordNet sense 2 (earlier than the present time; no longer current):
past
WordNet sense 3 (being attentive to women like an ideal knight):
chivalrous, gallant
WordNet sense 4 (characterized by courtesy and gracious good manners):
courteous
From the ODE community, based on WordNet
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