His acts of kindness and restraint were a testament to his gentlemanhood.

Her admiration for his gentlemanliness was evident in the way she introduced him to her friends.

He gentlemanlily offered his seat to the elderly woman on the crowded bus.

Although he was late, he gentlemanlikely apologized and helped set the chairs back in place.

Even under harsh criticism, his gentlemanlikeness shone through and earned him widespread respect.