Of, relating to, or functioning as a pronoun.
Resembling a pronoun, as by specifying a person, place, or thing, while functioning primarily as another part of speech. His in his choice is a pronominal adjective.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.