"Doctor de la Iglesia", a title given to significant scolars of theology.

Wikipedia says: Ávila was declared Venerable by Pope Clement XIII on 8 February 1759.
He was beatified by Pope Leo XIII on 15 November 1894, and the cause for his canonization
was opened on 14 March 1952. On 31 May 1970 he was canonized by Pope Paul VI.

Pope Benedict XVI named him a Doctor of the Church on 7 October 2012.