inauguration

n. formal ceremony marking a beginning, opening ceremony; ceremony in which a person is inducted into office

For the Stargate SG-1 episode, see Inauguration (Stargate SG-1).An inauguration is a ceremony of formal investiture whereby an individual assumes an office or position of authority or power. The term is usually used in reference to a politician's assumption of the duties of head of state or head of government (e.g. the President's inauguration). An "inaugural address" is the presidential speech given at this ceremony.
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Noun
1. the act of starting a new operation or practice; "he opposed the inauguration of fluoridation"; "the startup of the new factory was delayed by strikes"
(synonym) startup
(hypernym) beginning, start, commencement
(derivation) inaugurate
2. the ceremonial induction into a position; "the new president obviously enjoyed his inauguration"
(synonym) inaugural
(hypernym) initiation, induction, installation
(part-meronym) inaugural address, inaugural
(derivation) inaugurate, kick off

n. inauguration, initiation, beginning

(n.)
The formal beginning or initiation of any movement, course of action, etc.; as, the inauguration of a new system, a new condition, etc.
  

(n.)
The act of inuagurating, or inducting into office with solemnity; investiture by appropriate ceremonies.