1. causes someone to believe that something is true or real
Usage: third person singular present tense of 'convince'
2. persuades someone to do something
Usage: third person singular present tense of 'convince'

Examples

• She convinces her parents to let her stay out late.
• The evidence convinces the jury of his innocence.
• He always convinces me that his ideas are the best.
• The salesman convinces customers to buy the extended warranty.
• Her passionate speech convinces the audience to support the cause.
• The teacher convinces students that math can be fun.
• Nothing convinces him to change his mind once it's made up.