allegedly (adverb)

1. In the alleged bank robbery, the suspect wore a mask similar to the ones often seen in cartoons.

2. The alleged haunted house was the site of a series of gruesome murders that left the town in terror.

3. According to the alleged reports, a UFO landed in the small town and abducted several residents.

4. In the alleged magical world, wizards and witches used their powers to cast spells and potions.