1. One who ameliorates

Derived forms: ameliorators

• cosmogony
• cosmographer
• cosmographical
• cosmographist
• cosmography
• cosmolatry
• cosmologic
• cosmological
• cosmological constant
• cosmological principle
• cosmologist
• cosmology
• cosmonaut
• cosmopolitan
• cosmopolitanism
• cosmopolite
• cosmos
• cosmotron
• cosponsor
• coss
• Cossack
• cosset
• cossie
• cost
• cost accountant