What are the antonyms for Constated?

• v.

  • profess
  • be quiet
  ,
  • conceal
  ,
  • contradict
  ,
  • deny
  ,
  • disavow
  ,
  • disown
  ,
  • dispute
  ,
  • hide
  ,
  • invalidate
  ,
  • question
  ,
  • refuse
  ,
  • reject
  ,
  • renounce
  ,
  • repudiate
  .
  • protest
  • accept
  ,
  • agree
  ,
  • approve
  ,
  • compliment
  ,
  • comply
  ,
  • consent
  ,
  • forget
  ,
  • give in
  ,
  • go along
  ,
  • praise
  ,
  • retreat
  ,
  • support
  ,
  • surrender
  .

Well up on is typically used to describe someone who possesses a great amount of knowledge or expertise on a particular subject. However, there are several antonyms for this phrase...