Webster’s Revised Unabridged Dictionary · 1913
Copious
Co′pi·ous, a. [L. copiosus, fr. copia abundance: cf. F. copieux. See Copy, Opulent.] Large in quantity or amount; plentiful; abundant; fruitful.
Kindly pours its copious treasures forth. Thomson.
Hail, Son of God, Savior of men! thy name Shall be the copious matter of my song. Milton.
Syn. — Ample; abundant; plentiful; plenteous; rich; full; exuberant; overflowing; full. See Ample.