This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The beginning of something, such as an undertaking; a commencement. See Synonyms at origin.

n. The creation or beginning of something; the establishment.

n. Beginning; commencement; initiation.

n. Reception; a taking in.

n. A taking in, as by swallowing; the process of receiving within.

n. The incipient or initial stage; beginning; commencement.

n. In entomology, a starting-point; the place of beginning, as of a longitudinal mark, etc.

n. The formal qualification of a master of arts in the old universities, preliminary to taking his degree; the solemn act kept by the candidate for the degree of master of arts immediately before receiving the degree; the commencement.

n. an event that is a beginning; a first part or stage of subsequent events

"One of Vertigo's functions since its inception is to rethink old DC Comics properties, Roberson says, and after finishing up the Fables spinoff Cinderella: From Fabletown With Love, he pitched several ideas to his editor, Shelly Bond."

beginning   

from the get-go   

procession    cause    rise    prelude    overture    emanation    preliminary    germination   

beginning    commencement    initiation    reception   

conception    contraception    deception    exception    interception    misconception    misperception    perception    preconception    reception   

precipitousness    perpetuator