mellow in WordNet English dictionary

1. slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)
   high  mellow 
   
2. unhurried and relaxed
   "a mellow conversation"
   laid-back  mellow 
   
3. having attained to kindliness or gentleness through age and experience
   "mellow wisdom"; "the peace of mellow age"
   mellow  mellowed 
   
4. having a full and pleasing flavor through proper aging
   "a mellow port"; "mellowed fruit"
   mellow  mellowed 
   
5. having attained to kindliness or gentleness through age and experience
   "mellow wisdom"; "the peace of mellow age"
   mellow 
   

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

1. (obsolete) in a mellow manner
   mellowly  mellow  mellowly  mellow