Webster's Revised Unabridged Dictionary · 1913

Synthetic

Synthetic , adjective

[Greek {not transcribed}: compare French synthétique.]

1.
Of or pertaining to synthesis; consisting in synthesis or composition; as, the synthetic method of reasoning, as opposed to analytical.
Philosophers hasten too much from the analytic to the synthetic method; that is, they draw general conclusions from too small a number of particular observations and experiments. — Bolingbroke
2.
(Chemistry) Artificial. Compare Synthesis, 2.
3.
(Zoology) Comprising within itself structural or other characters which are usually found only in two or more diverse groups; -- said of species, genera, and higher groups. See the Note under Comprehensive, 3.
Collocations (1)
Synthetic language or Synthetical language , an inflectional language, or one characterized by grammatical endings; -- opposed to analytic language. — R. Morris

Also: Synthetical