maturate

Verb

• ripen and generate pus
  • her wounds are festering
    

• grow old or older
  • She aged gracefully
    
  • we age every day--what a depressing thought!
    
  • Young men senesce
    

• develop and reach maturity; undergo maturation
  • He matured fast
    
  • The child grew fast
    

Related words

• Synonyms: 
  fester , suppurate , senesce , age , get on , mature , grow