initial

Từ điển Oxford Learners Wordfinder Dictionary

I - noun

the first letter of a word (especially a person's name) (Freq. 1)
- he refused to put the initials FRS after his name
• Hypernyms:
letter, letter of the alphabet, alphabetic character

II - verb

mark with one's initials
• Hypernyms:
sign
• Entailment:
approve, O.K., okay, sanction
• Verb Frames:
- Somebody ----s something

III - adjective

occurring at the beginning (Freq. 21)
- took the initial step toward reconciliation
• Similar to:
first