Verify is a term used to describe the process of confirming the accuracy or truth of something. AUTHENTICATE (12 letters) is the act of verifying the identity of someone or something, while CLINCH (6 letters) is to make something certain or definite. EXPERIMENT (10 letters) is the process of testing a hypothesis or theory, and DETERMINE (9 letters) is to come to a conclusion or decision. SUBSTANTIATE (12 letters) is to provide evidence or proof for something, and COLLATE (7 letters) is to gather and arrange in order. DEMONSTRATE (11 letters) is to show or explain something, and ASSURE (6 letters) is to state something confidently. CORROBORATE (11 letters) is to confirm or support something, and INVESTIGATE (11 letters) is to look into something. DEFEND (6 letters) is to protect or support something, and TEST (4 letters) is to TRY something out. TRY (3 letters) is to attempt something, and CERTIFY (7 letters) is to officially confirm something. ESTABLISH (9 letters) is to set up or found something, and ASCERTAIN (9 letters) is to find out or discover something. AVER (4 letters) is to state something as a fact, and VOUCH (5 letters) is to guarantee or support something. AUDIT (5 letters) is to examine something, and VET (3 letters) is to check or examine something. AFFIRM (6 letters) is to state something positively, and PROVE (5 letters) is to DEMONSTRATE something. ATTEST (6 letters) is to CERTIFY or confirm something, and attestto (8 letters) is to bear witness to something. REAFFIRM (8 letters) is to state something again, and VALIDATE (8 letters) is to confirm or verify something. Crosscheck (10 letters) is to compare two or more sources to ensure accuracy.