Gentlemanly

Adjective

 * Of, being, pertaining to, or resembling a gentleman or gentlemen.
 * 1) * 2010, Catherine Rampell, “In Law Schools, Grades Go Up, Just Like That”, in The New York Times, 2010 June 22, page A1:
 * Some schools bump up everyone’s grades, some just allow for more As and others all but eliminate the once-gentlemanly C.

Adverb

 * 1) In the manner or with the behavior of a gentleman; with social grace, politely.

Thesaurus
andric, aristocratic, bull, chivalrous, cultivated, cultured, ducal, exalted, genteel, gentle, gentlemanlike, high, highbred, kinglike, kingly, knightly, ladylike, male, manful, manlike, manly, mannish, masculine, noble, of gentle blood, of rank, patrician, polished, princelike, princely, queenlike, queenly, quite the lady, refined, titled, uneffeminate, well-bred, well-brought-up

Etymology
From.

Translations

 * Finnish: herrasmiesmäisesti
 * Macedonian: кавалерски, џентлменски,  господски