Dic: root for

• Good luck, we'll be rooting for you. 
• Are you rooting for anyone in particular, or are you just shouting because you're excited? 
• I'm rooting for the home team.
• His position was so large and widely known that everyone on the floor was rooting for the market to go his way.

1. PHRASAL VERB | If you are rooting for someone, you are giving them your support while they are doing something difficult or trying to defeat another person. [INFORMAL] 
2. to cheer and encourage someone or something. 

.... Cobuild, http://idioms.thefreedictionary.com/Root