To trade with
habituate, buy from, purchase from, shop with; see buy 1, sell 1.
To assume a condescending attitude
talk down to, be overbearing, stoop, be gracious to, indulge, favor, pat on the back, play the snob, snub, lord it over; see also condescend.
"patronize." YourDictionary, n.d. Web. 16 May 2018. <http://thesaurus.yourdictionary.com/Patronize>.
patronize. (n.d.). Retrieved May 16th, 2018, from http://thesaurus.yourdictionary.com/Patronize
To act as a patron to:
To treat in a superciliously indulgent manner: