synthetical has definitions from the field of logic
1
[ adjective ] involving or of the nature of synthesis (combining separate elements to form a coherent whole) as opposed to analysis

Synonyms

synthetic

Examples

"limnology is essentially a synthetic science composed of elements...that extend well beyond the limits of biology"- P.S.Welch

Related terms

analytic

2
[ adjective ] (logic) of a proposition whose truth value is determined by observation or facts

Synonyms

synthetic

Examples

"`all men are arrogant' is a synthetic proposition"

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