1. arranges items in the order of the letters of the alphabet
Usage: British spelling; American English uses 'alphabetizes'; third-person singular present tense

Examples

• The librarian alphabetises all the books by author's last name.
• She alphabetises the contact list to make it easier to find names.
• The system automatically alphabetises the search results.
• He alphabetises the index cards before filing them away.
• The dictionary alphabetises entries from A to Z.