To form by combining materials or parts on top of a surface or foundation(verb)
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Use "build upon" in a sentence
"Fruitful teaming between collaborators and suppliers assumes that both parties will appreciate and build upon the unique strengths and requirements of the other."
"As we learned from the tragedy of Phineas Gage, the brain can build upon and feed the mind only from that which it has stored."
"Eager to build upon his success, he took a suitcase filled with the pornographic items he had collected to Washington, DC, where Congress was dealing with some much more serious scandals of its own involving bribes of its members by the construction company Crédit Mobilier and fraud involving congressional underwriting of the expansion of the Union Pacific Railroad."