Wordnet 3.0
VERB (1)
1. 
 take sides with; 
 align oneself with; 
 show strong sympathy for; 
- Example: "We all rooted for the home team"- Example: "I'm pulling for the underdog"- Example: "Are you siding with the defender of the title?"[syn: pull, root for]
WordNet (r) 3.0 (2006):
root for
    v 1: take sides with; align oneself with; show strong sympathy
         for; "We all rooted for the home team"; "I'm pulling for
         the underdog"; "Are you siding with the defender of the
         title?" [syn: pull, root for]