1) Hypostasize 2) Hypostatise 1) Hypostatise 2) Reify 
• (v. t.) To attribute actual or personal existence to. • (v. t.) To make into, or regarded as, a separate and distinct substance.
Hy·pos'ta·tize transitive verb 1. To make into, or regarded as, a separate and distinct substance. « Looked upon both species and genera as hypostatized universals.» Pop. Sci. Monthly. 2. To attribute actual or personal existence to. Sir W. Hamilton.
[v] - construe as a real existence, of a conceptual entity
hypostatise verb construe as a real existence, of a conceptual entity
to treat or regard (a concept, idea, etc.) as a distinct substance or reality.