1. (verb) be behind; approve of

• back
• endorse
• indorse
• plunk for
• support

1. (verb) be behind; approve of

• approve
• o.k.
• okay
• sanction

1. (verb) be behind; approve of

• champion
• defend
• guarantee
• warrant

1. (verb) be behind; approve of

• admirer
• booster
• champion
• friend
• protagonist
• supporter
• backing
• backup
• championship
• patronage
• blurb
• blurb
• endorsement
• endorsement
• indorsement
• indorsement
• endorsement
• endorsement
• indorsement
• indorsement
• endorser
• indorser
• ratifier
• subscriber
• support
• supportive