n. 25B6; noun
he thanked her for her kindness : KINDLINESS, kind-heartedness, warm-heartedness, affection, warmth, gentleness, concern, care; consideration, considerateness, helpfulness, thoughtfulness, unselfishness, selflessness, altruism, compassion, sympathy, understanding, big-heartedness, benevolence, benignity, friendliness, neighbourliness, hospitality, public-spiritedness; generosity, magnanimity, charitableness; Brit. informal decency.
she has done us many a kindness : KIND ACT, good deed, good turn, favour, service.