The onomasiological model of compound, derivative words and word combinations includes onomasiological basis, onomasiological feature and predicate, which connects them. The author presents results of onomasiological analysis of medicinal plants' names in Romance (French and Latin), Germanic (German, Dutch, English) and Slavic languages (Russian, Ukrainian, Polish, Czech, and Slovak), focusing mainly on types of predicate. The most frequently registered types of predicate in this lexico-semantic group are predicate of comparison, of purpose, compositional and temporal as well is predicates "ISA" and "HASA"