1. Cause to ripen or develop fully
   "The sun ripens the fruit";
   - mature, age
    
2. Grow ripe
   "The plums ripen in July"
    
3. Approach or come to completion or perfection
   "The plan ripened into a successful business venture"

Derived forms: ripened, ripening, ripens

Type of: alter, change, grow, maturate, mature, modify

Encyclopedia: Ripen