Changes a review

• Awards another star to, perhaps
• Puts into a new category
• Downgrades, e.g
• Gives a new value to
• Gives another star to, perhaps
• Downgrades, e.g.
• Changes a grade
• Bumps an R down to a PG-13, perhaps

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: rerate )