The act of initiating, or the process of being initiated or introduced
The first step of transcription or of transduction.
The form or ceremony by which a person is introduced into any society; mode of entrance into an organized body; especially, the rite of admission into a secret society or order.
A setting about; a beginning.
The initial portion of a syllable, preceding the syllable nucleus.
The beginning of a musical note or other sound, in which the amplitude rises from zero to an initial peak.
The initial phase of a disease or condition, in which symptoms first become apparent.