What is the meaning of Capitalize?

In writing or editing, to write (something: either an entire word or text, or just the initial letter(s) thereof) in capital letters, in upper case.

To contribute or acquire capital (money or other resources) for.

To convert into capital, i.e., to get cash or similar immediately fungible resources for some less fungible property or source of future income.

To treat as capital, not as an expense.

To profit or to obtain an advantage.

To seize, as an opportunity; to obtain a benefit from; to invest on something profitable.

inflection of capitalizar:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org