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

See also: beneficial

• finitely
• finiteness
• finitude
• fink
• Finland
• Finn
• finnan
• finnan haddie
• finnan haddock
• Klavier
• klaxon
• Klebs-Loeffler bacillus
• klebsiella
• Klee
• Kleenex
• Klein
• Klein bottle
• Kleist
• Klemens Metternich
• kleptocracy
• kleptomania
• kleptomaniac
• klezmer
• klick
• klieg light