1 establish the truth or correctness of by examination or demonstration (must verify the statement; verified my figures).
2 (of an event etc.) bear out or fulfil (a prediction or promise).
3 Law append an affidavit to (pleadings); support (a statement) by testimony or proofs.
Derivatives:
verifiable adj. verifiably adv. verifier n.
Etymology: ME f. OF verifier f. med.L verificare f. verus true
Useful english dictionary. 2012.