has been occasioning

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of occasion (3rd person singular).
  occasion

  noun

  a particular time, especially as marked by certain circumstances or occurrences.

Related Words

• affair
• celebration
• circumstance
• episode
• experience
• incident
• milestone
• moment
• scene
• thing
• time