COPIOUS

ample, copious, plenteous, plentiful, rich

(adjective) affording an abundant supply; “had ample food for the party”; “copious provisions”; “food is plentiful”; “a plenteous grape harvest”; “a rich supply”

copious, voluminous

(adjective) large in number or quantity (especially of discourse); “she took copious notes”; “a subject of voluminous legislation”

Source: WordNet® 3.1

Etymology

Adjective

copious (comparative more copious, superlative most copious)

Vast in quantity or number, profuse, abundant; taking place on a large scale.

Having an abundant supply.

Full of thought, information, or matter; exuberant in words, expression, or style.

Source: Wiktionary

Co"pi*ous, a. Etym: [L. copiosus, fr. copia abundance: cf. F. copieux. See Copy, Opulent.]

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition