1. knight errantry(n = noun.attribute) quixotism - quixotic (romantic and impractical) behavior;
is a kind of idealism
2. knight errantry(n = noun.cognition) - (Middle Ages) the code of conduct observed by a knight errant who is wandering in search of deeds of chivalry;
is a kind of code of behavior, code of conduct
N philanthropy, humanity, humanitarianism universal benevolence, endaemonism, deliciae humani generis, cosmopolitanism utilitarianism, the greatest happiness of the greatest number, social science, sociology common weal, socialism, communism, Fourierism, phalansterianism, Saint Simonianism, patriotism, civism, nationality, love of country, amor patriae, public spirit, chivalry, knight errantry, generosity, philanthropist, endaemonist, utilitarian, Benthamite, socialist, communist, cosmopolite, citizen of the world, amicus humani generis, knight errant, patriot, philanthropic, humanitarian, utilitarian, cosmopolitan, public- spirited, patriotic, humane, large-hearted, chivalric, generous, pro bono publico, pro aris et focis, humani nihil a me alienum puto, omne solum forti patria, un bien fait n'est jamais perdu.
carpet knight, errantry, hablot knight browne, knight, knight bachelor, knight banneret, knight baronet, knight marshal, knight of the round table, knight of the square flag, knight service, knight templar, white knight