"To verify this hypothesis" means to conduct tests, research, or gather evidence to check if the proposed idea or explanation is correct or true. Full definition
In science, a theory is a collection of scientifically verified hypotheses that together form a complex understanding of at least loosely related physical phenomena. (religion.blogs.cnn.com)
In order to verify a hypothesis there must be a test by which it can be proved false. (climatism.blog)
Nothing verifies a hypothesis like experimental proof, and we've more than proven the benefits of our resume style with repeatable results and a high success rate. (resume-now.com)