fulfil

BrE, fulfill AmE verb [T] -lled, -lling
1    fulfil a promise/duty/obligation etc to do something that you have promised to do, or do something that you should do:
?The government hasn't fulfilled its promise to cut taxes.
2    fulfil a dream/wish/ambition to do something that you have always wanted to do:
?Bruce had finally fulfilled his dream of becoming a racing driver.
3    fulfil a role/function/need to do something that is useful or needed for a particular purpose:
?The church fulfils an important role in the local community.
4    fulfil sb's expectations/hopes to be as good as someone had expected or hoped:
?I knew that I could never fulfil my parents' expectations of me.