substantify

verb4

1. •
   To give material form or substance to; to embody.
2. •
   To reify or hypostatize; to treat something that is fluid or abstract as a static entity without regard to nuance or change in character.

   • It is partly because almost inevitably a word, referring to a vague intimation of reality, tends to substantify and reify the insight with time. — 1966
3. •
   To endow with a consciousness, will, motivation and independent existence; to give life to; to hypostatize.

   • Here Newton identifies the propensity in human language to hypostatize, personify and substantify abstractions. — 2008
4. •
   (rare) To transform into or treat syntactically as a noun; to make into or use as a substantive.

   • They are, in fact, equivalent to the infinitive which some languages substantify directly (das Rennen, das Sprechen, le manger, le boire, le dormir). — 1913