synthetical

adjective

1. of, involving, or using synthesis
2. produced by synthesis; specif., produced by chemical synthesis, rather than of natural origin
3. not real or genuine; artificial
4. Linguis. characterized by the use of inflection to express grammatical relationships: Russian is a synthetic language
5. Logic not true by the meaning of its component terms alone but by virtue of observation and not resulting in self-contradiction with denial

noun