mandate

(n) Official authority to carry out a policy or course of action; a command. (v) To require or authorise something officially.

• mandatory/ˈmændətɔːri/(adj)强制性的

• electoral mandate
• mandate to govern
• mandatory requirement
• mandate that
• clear mandate

1. 1.The government claimed a mandate for reform after winning the election by a large margin. (authority from voters)
2. 2.The new regulation mandates that all buildings undergo fire safety inspections annually. (require officially)

• authorise/ˈɔːθəraɪz/— to give official permission
• require/rɪˈkwaɪər/— to need or demand
• decree/dɪˈkriː/— to order authoritatively

from Latin "mandatum" (something commanded) — "mandare" (to order, to entrust) — "manus" (hand) + "dare" (to give) — to place in someone's hand