I. pronoun
Etymology: Middle English
: something not specified or not requiring to be specified
made him lay himself out to prove that such and such is the true view of the facts — Notes & Queries
showed very clearly that such and such was often true — K.A.Menninger
II. adjective
: not specifically mentioned or designated : not yet specified : not requiring specification now
what we have objectively before us is such and such a race or group of people — A.L.Kroeber