the GNU version of the Collaborative International Dictionary of English
v. To make popular; to make suitable or acceptable to the common people; to make generally known.
The Century Dictionary and Cyclopedia
To make popular; treat in a popular manner, or so as to be generally intelligible to common people; spread among the people. Also spelled popularise.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. make understandable to the general public
v. cater to popular taste to make popular and present to the general public; bring into general or common use
Word Usage
"So maybe a better way to "popularize" poetry -- hell, maybe a better way just to explain it -- would be to further valorize the dead, though with the caveat that the dead include the living."