E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A term invented by Prof. Huxley in 1885 to indicate the mental attitude of those who withhold their assent to whatever is incapable of proof, such as the absolute. In regard to miracles and revelation, agnostics neither dogmatically accept nor reject such matters, but simply say AgnoscoI do not knowthey are not capable of proof.