eject or send out in large quantities, also metaphorical; "the volcano spews out molten rocks every day"; "The editors of the paper spew out hostile articles about the Presidential candidate"
authenticate, affirm to be true, genuine, or correct, as in an official capacity; "I attest this signature"
establish or verify the usage of; "This word is not attested until 1993"
provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; "His high fever attested to his illness"; "The buildings in Rome manifest a high level of architectural sophistication"; "This decision demonstrates his sense of fairness"
uttered through the medium of speech or characterized by speech; sometimes used in combination; "a spoken message"; "the spoken language"; "a soft-spoken person"; "sharp-spoken"