- The definition of inception is the beginning.
An example of inception is January 1st being the beginning of a new year.
inception definition by Webster's New World
Origin: Classical Latin inceptio ; from inceptus, past participle of incipere: see incipient
inception definition by American Heritage Dictionary
Origin: Middle English incepcion, from Latin inceptiō, inceptiōn-, from inceptus, past participle of incipere, to begin, take up : in-, in; see in-2 + capere, to take; see kap- in Indo-European roots.