The verb form of certify means to officially declare that something is true or meets certain standards. In a professional setting, this can refer to verifying an individual's qualifications, skills, or knowledge through examination, evaluation, or assessment by a recognized authority in the field. This process often involves issuing a certificate as evidence of having met the required criteria. Certification is commonly used in various industries such as healthcare, information technology, and education to ensure that professionals have the necessary skills and knowledge to perform their job duties effectively.