1) Combine 2) Combine and form a synthesis 3) Compound 4) Form by combining elements 5) Synthesise 1) Synthesise 
• (v. t.) To combine by synthesis; to unite. • (v. t.) To produce by synthesis; as, to synthesize albumin.
(sin´thә-sīz) to produce by synthesis.
Syn'the·size transitive verb 1. To combine by synthesis; to unite. 2. To produce by synthesis; as, to synthesize albumin. 
Type: Term Pronunciation: sin′thĕ-sīz Definitions: 1. To make something by synthesis, synthetically.
[v] - combine and form a synthesis 2. [v] - combine so as to form a more complex, product
to create poliovirus artificially in the laboratory, by combining its individual components.
[TEKS ELAR vocabulary] combine so as to form a more complex product[Common core terms] combine and form a complex whole