in the Catholic church; declare (a dead person) to be a saint; "After he was shown to have performed a miracle, the priest was canonized"
treat as a sacred person; "He canonizes women"
add in the canon or calendar of the saints; "He was canonized not long after his death"
To declare a person as a saint worthy of veneration by the Church. Canonization requires proof that the holy person was either a martyr of the Church or has performed two miracles.