1. In a beneficial manner
   "this medicine will act beneficially on you"

See also: beneficial

• Arkansan
• Arkansas
• Arkansas kingbird
• Arkansas River
• Arkansawyer
• arkose
• arles
• Arlington
• arm
• arm bone
• arm candy
• arm exercise
• arm in arm
• arm pad
• arm's length
• arm-twisting
• armada
• Armadillidiidae
• Armadillidium
• armadillo
• Armageddon
• Armagnac
• armament
• armamentarium
• Armand Jean du Plessis