alphabetize
From Longman Dictionary of Contemporary Englishalphabetizeal‧pha‧bet‧ize (also alphabetise British English) /ˈælfəbetaɪz/ verb [transitive] to arrange things in order according to the letters of the alphabet→ See Verb tableExamples from the Corpusalphabetize• The books are alphabetized according to the author's last name.