WordWeb Online

1. The process of becoming mellow

1. Soften, make mellow
   "Age and experience mellowed him over the years"
    
2. Become more relaxed, easygoing, or genial
   "With age, he mellowed"; "With age, he mellowed out"
   - melt, mellow out
    
3. Make or grow (more) mellow
   "These apples need to mellow a bit more"; "The sun mellowed the fruit"

Type of: ageing, aging, change, ripening, soften

Encyclopedia: Mellow