Synonyms of initial in English:

initial


See definition of initial

adjective

1‘we are at the initial stages’

SYNONYMS
beginning, opening, commencing, starting, inceptive, embryonic, fledgling
first, early, earliest, prime, primary
preliminary, elementary, foundational, preparatory, rudimentary
introductory, inaugural, incipient, inchoate
pilot, test, trial
ANTONYMS

final


noun

1‘the initials stand for the State Earnings Related Pension’

SYNONYMS
initial letter, beginning letter
abbreviation, acronym, initialism

verb

1‘he initialled the three warrants’

SYNONYMS
put one's initials on, sign, countersign, autograph, endorse, put one's mark on, inscribe, superscribe, witness
archaic underwrite

2‘Greece and the United States initialled a new agreement’

SYNONYMS
ratify, accept, approve, agree to, consent to, authorize, validate, recognize
ANTONYMS

reject, repeal