A pronoun is a pro-form which functions like a noun and substitutes for a noun or a noun-phrase. A language may have several classes of pronouns. (http://www.sil.org/linguistics/GlossaryOfLinguisticTerms/WhatIsAPronoun.htm 19.09.06) A pronominal is a phrase that functions as a pronoun (www.sil.org/linguistics/GlossaryOfLinguisticTerms/WhatIsAPronominal.htm; http://www.isocat.org/datcat/DC-1369)