1. (a.) Of or pertaining to the beginning; marking the commencement; incipient; commencing; as, the initial symptoms Of a disease.

2. (a.) Placed at the beginning; standing at the head, as of a list or series; as, the initial letters of a name.

3. (n.) The first letter of a word or a name.

4. (v. t.) To put an initial to; to mark with an initial of initials.

OK abecedarian aboriginal accept accredit affirm alpha alphabet alphabetize amen antecedent antenatal approve authenticate authorize autochthonous autograph basic beginning breaking-in budding capitalize certify character commencing confirm cosign countersign creative earliest early elemental elementary embryonic endorse fetal first first blush first glance first impression first inning first lap first move first round first sight first stage first step foremost formative foundational fundamental gambit germinal gestatory give permission give the go-ahead give the imprimatur give thumbs up headmost in embryo in its infancy in the bud inaugural inceptive inchoate inchoative incipient incunabular infant infantile initiative initiatory inscribe introductory inventive le premier pas leading letter maiden mark monogram nascent natal notarize opening opening move original parturient pass pass on pass upon permit pioneer postnatal pregnant prenatal primal primary prime primeval primitive primitiveness primitivity primogenial procreative ratify rubber stamp rudimental rudimentary sanction say amen to seal second sign sign and seal subscribe to support swear and affirm swear to transcribe transliterate undersign underwrite ur validate visa vise warming-up warrant