accessionnoun · Level 2 SAT1Induction or elevation, as to dignity, office, or governmentThe young queen's accession to the throne was marked by weeks of elaborate national ceremony.ModuleLevel 2Registeracademic, argumentCollectionCollection 016SAT Plus planAlso in Collection 016promulgate, accredit, propagate, revoke, betroth, abnegate, continuation, adjudge and 1 more