WordWeb Online

1. Showing or motivated by sympathy and understanding and generosity
   "kindly criticism"; "a kindly act"
   - charitable, benevolent, sympathetic, good-hearted, openhearted, large-hearted
    
2. Pleasant and agreeable
   "a kindly climate"; "kindly breeze"

1. In a kind manner or out of kindness
   "He spoke kindly to the boy"; "she kindly overlooked the mistake"

Derived forms: kindliest, kindlier

See also: benign, benignant, kind, kindliness

Antonym: unkindly