The Collaborative International Dictionary of English v.0.48:
Motherliness \Moth"er*li*ness\, n. The state or quality of being motherly. [1913 Webster]WordNet (r) 3.0 (2006):
motherliness n 1: the quality of having or showing the tenderness and warmth and affection of or befitting a mother; "the girl's motherliness made her invaluable in caring for the children" [syn: motherliness, maternalism, maternal quality, maternity]