copious

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

He drank a copious amount of vodka, and passed out.

These loose hints I have thrown together, in order to excite the curiosity of philosophers, and beget a suspicion at least, if not a full persuasion, that this subject is very copious,

Having an abundant supply.

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