concoct - Dictionary definition and meaning for word concoct
coct - resembles a cocktail, prepared by mixing and combining. A conman is preparing it, in a concert disguised(make up) as a bartender.
con+coc+t con= combination (different items) coc= cocking so concoct= combination if different items in cocking means "prepare by mixing ingredients"
The con used a cocktail of make up kits to hoodwink the police...just about sums up the whole word's meaning