sudden, vivid memories of a past event, often traumatic
He had flashbacks of his childhood during the therapy session.
The movie used flashbacks to reveal the character's backstory.
to restore friendly relations; to make peace with
She finally reconciled with her estranged brother.
He had to reconcile with his past mistakes in order to move forward.
to praise or congratulate oneself
After finishing the project, he patted himself on the back for a job well done.
You should pat yourself on the back for your hard work.
based on random choice or personal whim, rather than reason or system
The selection process seemed completely arbitrary.
He made an arbitrary decision without consulting anyone.
