capitalize

verb

cap·​i·​tal·​ize ˈka-pə-tə-ˌlīz 

ˈkap-tə-

capitalized; capitalizing

transitive verb

1

: to write or print with an initial capital or in capitals

Capitalize the names of cities and states.

2

a

: to convert into capital

capitalize the company's reserve fund

b

: to treat as an amortizable investment in long-term capital assets rather than as an ordinary operating expense to be charged against revenue for the period in which it is incurred

capitalize development costs

3

a

: to compute the present value of (an income extended over a period of time)

b

: to convert (a periodic payment) into an equivalent capital sum

capitalized annuities

4

: to supply capital for

intransitive verb

: to gain by turning something to advantage

capitalize on an opponent's mistake

Synonyms of capitalize

• fund
• finance
• subsidize

Examples of capitalize in a Sentence

Remember to capitalize the I in Internet.

Capitalize the first word of your sentence.

She rarely capitalizes her name when she signs her e-mails.

The venture was capitalized with a loan of one million dollars.

You can capitalize your investment at any time.

Recent Examples on the Web

The name stuck, although the foursome has yet to capitalize with T-Shirts or other marketing attempts. —Walter Villa, Miami Herald, 22 Dec. 2025

Maye was able to capitalize, orchestrating a 10-play, 68-yard drive that culminated with a 1-yard touchdown pass to tight end Hunter Henry. —Doug Kyed, Boston Herald, 22 Dec. 2025

Aliso Niguel capitalized in the 19th minute as King scored her first goal on a rebound off a corner kick by Hirakawa. —Dan Albano, Oc Register, 21 Dec. 2025

This time, the Golden Bears capitalized and left no doubt, dominating Richmond Randle for an 35-19 victory in the Class 5A Division II state championship Saturday in front of 22,578 fans. —Charles Baggarly & Darren Lauber, Fort Worth Star-Telegram, 20 Dec. 2025

Word History

Etymology

(sense 1) capital entry 2 (sense 2) + -ize; (senses 2-4) borrowed from French capitaliser, from capital capital entry 2 + -iser -ize

First Known Use

1764, in the meaning defined at transitive sense 1

Phrases Containing capitalize

• capitalize on

Rhymes for capitalize

• actualize
• antagonize
• apologise
• apologize
• categorize
• characterize
• commercialize
• conceptualize
• contrariwise
• criminalize
• decentralize
• democratize

Kids Definition

capitalize

verb

cap·​i·​tal·​ize ˈkap-ət-ᵊl-ˌīz 

ˈkap-tᵊl-

capitalized; capitalizing

1

: to write or print with a beginning capital letter or in capital letters

2

a

: to supply capital for (as a business or a project)

b

: to use as capital (as in business)

3

: to use to help oneself

capitalize on an opponent's mistake

capitalization

ˌkap-ət-ᵊl-ə-ˈzā-shən, 

ˌkap-tᵊl-

noun

Legal Definition

capitalize

transitive verb

cap·​i·​tal·​ize ˈka-pət-ᵊl-ˌīz 

capitalized; capitalizing

1

a

: to convert into capital

capitalize the company's earnings

b

: to treat as a capital expenditure rather than an ordinary and necessary expense

the cost of the merger must be capitalized

2

a

: to compute the present value of (an income extended over a period of time) compare amortize

b

: to convert (a periodic payment) into an equivalent capital sum

capitalized annuities

3

: to supply capital for

had capitalized the business with her own savings