1. in a way that causes someone to believe that something is true or real
2. in a way that shows clear superiority or decisiveness

Examples

• She argued convincingly that the policy needed to change.
• The actor portrayed the character convincingly despite his young age.
• The team won convincingly with a score of 45-12.
• He spoke convincingly about his experience in the field.
• The evidence convincingly proved his innocence.
• The candidate answered all questions convincingly during the debate.
• The home team convincingly defeated their rivals.