noun (n)

• the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus(noun.state)

  Synonym:
  gestation, pregnancy
  

  source: wordnet30
• the kinship relation between an offspring and the mother(noun.linkdef)

  Synonym:
  motherhood
  

  source: wordnet30
• the quality of having or showing the tenderness and warmth and affection of or befitting a mother(noun.attribute)

  Synonym:
  maternal quality, maternalism, motherliness
  

  source: wordnet30
• The state of being a mother; the character or relation of a mother.(noun)

  source: webster1913