is proofing

• present progressive

  present progressive

  Used to describe an ongoing action or state that is currently taking place in the immediate present.

  of proof (3rd person singular).
  proof

  noun

  evidence sufficient to establish a thing as true, or to produce belief in its truth.

Related Words

• argument
• clue
• confirmation
• criterion
• data
• demonstration
• information
• picture
• reason
• testament
• testimony
• validation
• verification