Posted in Business & Finance, Pop Culture, Schools & Education ACII stands for Assassin’s Creed 2 (video game) ACII stands for Affective Computing and Intelligent Interaction (conference) ACII stands for Associate of the Chartered Insurance Institute ACII stands for Allergy and Clinical Immunology International ACII stands for Advanced Computer Innovations, Inc. (Pittsford, NY) ACII stands for Adjuvant-Carrageenan-Induced Inflammation