1) first or earliest known; newly created; not copied or imitated; able to produce new ideas etc (original)
2) the first or original example from which others have been or will be copied or developed (prototype)
(to make) (something) made or done in imitation of another thing in order to deceive
fake, simulated
(something, especially a word) derived from another
borrowed, transmitted from source
trying to be like another
simulated, unoriginal
either of two children or animals born together of the same mother
duplicate, similar