a. 1. Containing plenty; copious; abundant; ample; as, a plentiful harvest; a plentiful supply of water. [ 1913 Webster ]
2. Yielding abundance; prolific; fruitful. [ 1913 Webster ]
If it be a long winter, it is commonly a more plentiful year. Bacon. [ 1913 Webster ]
3. Lavish; profuse; prodigal. [ Obs. ] [ 1913 Webster ]
He that is plentiful in expenses will hardly be preserved from Bacon. [ 1913 Webster ]
-- Plen"ti*ful*ly, adv. -- Plen"ti*ful*ness, n. [ 1913 Webster ]