1. according to what is claimed or alleged, but not necessarily true

Examples

• The painting was purportedly created by a famous artist.
• She purportedly graduated from Harvard, but no one has verified her credentials.
• The witness purportedly saw the suspect leaving the building.
• The ancient manuscript purportedly contains lost secrets.
• He purportedly owns three houses, though his neighbors doubt it.
• The company purportedly increased profits by 50% last year.