[syn.thet.ic] adj [Gk synthetikos of composition, component, fr. syntithenai to put together] (1697) 1: relating to or involving synthesis: not analytic
2: attributing to a subject something determined by observation rather than analysis of the nature of the subject and not resulting in self-contradiction if negated--compare analytic
3: characterized by frequent and systematic use of inflected forms to express grammatical relationships
4. a (1): of, relating to, or produced by chemical or biochemical synthesis; esp: produced artificially "~ drugs" "~ silk" (2): of or relating to a synfuel b: devised, arranged, or fabricated for special situations to imitate or replace usual realities c: factitious, bogus -- syn.thet.i.cal.ly adv
[2]synthetic n (1946): something resulting from synthesis rather than occurring naturally; esp: a product (as a drug or plastic) of chemical synthesis