1. to state or show that something is definitely true or correct
Usage: third person singular present tense of ‘confirm’
2. to make an arrangement or appointment definite
Usage: third person singular present tense of ‘confirm’
3. to admit someone as a full member of a Christian church
Usage: third person singular present tense of ‘confirm’; religious context

Examples

• The test confirms that the water is safe to drink.
• She confirms her appointment with the doctor.
• The witness confirms what happened at the scene.
• He confirms his reservation at the restaurant.
• The bishop confirms the young members of the congregation.
• The study confirms the benefits of regular exercise.
• Please call to confirm your attendance at the meeting.