initial

/ɪˈnɪʃəl/
adjective
  1. Happening at the beginning; first.
    • We made an initial payment of $500.
    • Her initial reaction was surprise, but then she smiled.
    • The initial plan was to build a small house, but they expanded it later.
Antonyms
noun
  1. The first letter of a name or word.
    • His initials are JFK.
    • The company logo uses the initials of the founder.
    • Please write your initials at the bottom of the page.
verb
  1. To mark or sign with one's initials.
    • She initialed the document to show she agreed.
    • Please initial each page of the contract.
    • The manager initialed the report before it was sent.
What does "initial" mean? | whatsthatwordmean | whatsthatwordmean