1. [v]  restore to a previous or better condition, as of art works or antiques; "They renovated the ceiling of the Sixtine Chapel"
2. [v]  give or bring back; "Restore the stolen painting to its rightful owner"

RESTITUTE is a 9 letter word that starts with R.

1. \Res"ti*tute\ (r?s"t?*t?t), v. t. [L. restitutus, p.
   p. of restituere; pref. re- re- + statuere to put, place. See
   {Statute}.]
   To restore to a former state. [R.] --Dyer.
   
   

2. \Res"ti*tute\, n.
   That which is restored or offered in place of something; a
   substitute. [R.]