'dethronement' definitions:

Definition of 'dethronement'

From: WordNet
noun
The act of deposing someone; removing a powerful person from a position or office [syn: deposition, dethronement]

Definition of 'dethronement'

From: GCIDE
  • dethronement \de*throne"ment\, n. [Cf. F. d['e]tr[^o]nement.] Deposal from a throne; deposition from regal power. [1913 Webster]