Approve, beginning, abbreviation, autograph, accept, and agree to are all synonyms for initial. Final, reject, and repeal are these antonyms of initial. And here are another 48 synonyms for initial.
Initial Synonyms
1. opening
- Beginning
- Commencing
- Earliest
- Early
- Elementary
- Embryonic
- First
- Fledgling
- Foundational
- Inaugural
- Inceptive
- Inchoate
- Incipient
- Introductory
- Opening
- Pilot
- Preliminary
- Preparatory
- Primary
- Prime
- Rudimentary
- Starting
- Test
- Trial
2. abbreviation
- Abbreviation
- Acronym
- Beginning letter
- Initial letter
- Initialism
3. countersign
- Autograph
- Countersign
- Endorse
- Inscribe
- Put one's initials on
- Put one's mark on
- Sign
- Superscribe
- Witness
- Underwrite
4. approve
- Accept
- Agree to
- Approve
- Authorize
- Consent to
- Ratify
- Validate
- Recognize