initial

/ˌɪˈnɪʃəl/

adj./n. 最初的；開始的；首字母
- Her initial plan was to stay a week, but she loved the island so much that she stayed a month. 她最初打算只待一個星期，但她太喜歡那座島了，結果待了一個月。

其他意思

adj. 最初的, 開始的

You use initial to describe something that happens at the beginning of a process.
- The initial reaction has been excellent
n. 首字母

Initials are the capital letters which begin each word of a name. For example, if your full name is Michael Dennis Stocks, your initials will be M.D.S.
- a silver Porsche car with her initials JB on the side.
v.

If someone initials an official document, they write their initials on it, for example to show that they have seen it or that they accept or agree with it.
- Would you mind initialing this voucher?

也出現在：

in + it + ial往內 + 去 + 形容詞