are substantiating

• present progressive

  present progressive

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

  of substantiate.
  substantiate

  verb (used with object)

  to establish by proof or competent evidence.

Related Words

• affirm
• confirm
• corroborate
• debunk
• demonstrate
• justify
• prove
• ratify
• validate
• verify