accede

 
Pronunciation: /əkˈsiːd/

verb

[no object] (usually accede to) formal
  • 1agree to a demand, request, or treaty: the authorities did not accede to the strikers' demands
  • 2assume an office or position: Elizabeth I acceded to the throne in 1558
  • become a member of an organization: Albania acceded to the IMF in 1990

Origin:

late Middle English (in the general sense 'come forward, approach'): from Latin accedere, from ad- 'to' + cedere 'give way, yield'

Spelling help

Remember that the ending of accede is -cede.