humanely

/hjuːˈmeɪnli/
adverb
  1. In a way that shows kindness, care, and sympathy, especially by avoiding unnecessary pain or suffering.
    • The veterinarian treated the injured animal humanely and with great patience.
    • The company promised to source its products from farms that raise animals humanely.
    • Prisoners should be treated humanely, with access to food, water, and medical care.
Antonyms