From Middle English knightly, knightlich, from Old English cnihtlīċ (“boyish, youthful, childish”), equivalent to knight + -ly. Cognate with Dutchknechtelijk (“servile”), Germanknechtlich (“menial”).
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Wiktionary
Knightly Sentence Examples
The Golden Fleece (La Toison d'Or) ranks historically and in distinction as one of the great knightly orders of Europe.
This was the ideal, but to give the reader a clear view of the actual features of knightly society in their contrast with that of our own day, it is necessary to bring out one or two very significant shadows.
The manners and sentiments of the 15th century are made to harmonize with the classical legends after the fashion of the Italian pre-Raphaelite painters, who equipped Jewish warriors with knightly lance and armour.
The expedition, however, did not take place, and was but a pretext for levying subsidies and for knightly entertainments.
The battle opened with a confused cavalry fight on the French right, in which individual feats of knightly gallantry were more noticeable than any attempt at combined action.