kɹiːˈeɪʃən faʊnˈdeɪʃən ˈfaʊndɪŋ ɪnˈsɛpʃən ɪ.nɪ.ʃi.ˈeɪ.ʃən ˌɪnəˈveɪʃən ˌɪnstɪˈtjuːʃən ˌɪnstɪˈtuːʃən ˌɪntɹəˈdʌkʃən ˈɒɹ.ɪ.dʒɪn ˈɔɹ.ɪ.dʒɪn the act of starting something for the first time; introducing something new she looked forward to her initiation as an adult the foundation of a new scientific society an event that is a beginning; a first part or stage of subsequent events