A List Definition
ālist
noun
A list or group of the most admired or desirable people, as for a job or social gathering.
A private party for Hollywood's A list.
American Heritage
A list of important or prominent persons, as of those regarded as highly desirable guests at upper-class social or cultural events.
Webster's New World
(computing) Association list in LISP.
Wiktionary
Alternative spelling of A-list.
Wiktionary
adjective
(chiefly US) Best of the group; top.
Wiktionary
Origin of A List
Abbreviation of association list.
From Wiktionary