See also: acsi, acsɨ, and ácsi English Proper noun ACSI (economics) Initialism of American Customer Satisfaction Index. Anagrams SIAC, ICAs, CAIs, ICAS, Saci, CIAs, Sica, ACIs, CISA, asci, CAIS, ASIC, IACs, saic, SAIC, sicaWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads