Similarity of adj synthetical

2 senses of synthetical

Sense 1
synthetic (vs. analytic), synthetical -- (involving or of the nature of synthesis (combining separate elements to form a coherent whole) as opposed to analysis; "limnology is essentially a synthetic science composed of elements...that extend well beyond the limits of biology"- P.S.Welch)

Sense 2
synthetic (vs. analytic), synthetical -- (of a proposition whose truth value is determined by observation or facts; "`all men are arrogant' is a synthetic proposition")
          Also See-> a posteriori#1; inductive#2; logical#1