fulfill
/fu̇(l)-ˈfil/
verb
to put into effect : execute
to meet the requirements of (a business order)
to measure up to : satisfy
He fulfilled his pledge to cut taxes.
Their order for more TVs was promptly fulfilled.
perform execute discharge accomplish achieve effect fulfill mean to carry out or into effect. perform implies action that follows established patterns or procedures or fulfills agreed-upon requirements and often connotes special skill. execute stresses the carrying out of what exists in plan or in intent.
idiom
to do what one said one would definitely do