freshen
verb (used with object)
to make fresh; refresh, revive, or renew.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Just now, I am reading in the evening, Kant's Critique de la raison pure, translated by Barni, and I am freshening up my Spinoza.
From The George Sand-Gustave Flaubert Letters by Aimée G. Leffingwel McKenzie