Webster's Revised Unabridged Dictionary · 1913

dignify

dignify , transitive verb

[Old French dignifier, from Late Latin dignificare; Latin dignus worthy + ficare (in comp.), facere to make. See Deign, and Fact.]

To invest with dignity or honor; to make illustrious; to give distinction to; to exalt in rank; to honor.
Your worth will dignify our feast. — B. Jonson