regeneration (n.)
- adoption
- amendment
- circumcision
- conversion
- copy
- duplication
- extremism
- imitation
- improvement
- meliorism
- palingenesis
- progressivism
- radicalism
- re-creation
- re-formation
- rebirth
- rebuilding
- reclamation
- reconstruction
- recrudescence
- redemption
- reform
- reformation
- reformism
- refreshment
- reissue
- rejuvenation
- remaking
- renaissance
- renascence
- renewal
- renovation
- reorganization
- repetition
- reprinting
- reproduction
- restoration
- resurgence
- resurrection
- resuscitation
- revision
- revisionism
- revival
- revivification
- revolution
- salvation
- transformation
- utopianism