To appear again after having been out of sight. The sun reappeared after the storm clouds passed.
To return to a place or situation after a period of absence. The actor reappeared on stage for the final bow.
To occur again or happen once more after having stopped. Symptoms may reappear several weeks after the initial infection.
To be published, printed, or shown again after a period of absence. The article reappeared in a revised edition of the journal.