"The Houston school district had announced it would implement a mask mandate for its students and staff later this week if its board approves." implement /ɪmplɪment/ verb [T] to make something that has been officially decided start to happen or be used - carry out implement changes/decisions/policies/reforms/plans mandate /ˈmændeɪt/ noun [C, U] an official order or requirement to do something board /bɔːrd/ noun [C, + plural/singular verb] a group of people who have power to make decisions and control a company or other organization 48 views19:27