knight_errantry
1. [ noun ] quixotic (romantic and impractical) behavior
Synonyms: quixotism
Related terms: idealism
2. [ noun ] (medieval) the code of conduct observed by a knight errant who is wandering in search of deeds of chivalry
Related terms: code_of_conduct middle_ages
Similar spelling:   knight-errant
  knight_bachelor
  knight_banneret