Grade 6 capitalization Get Printable Handwriting (cap-i-tal-i-za-tion) 6 syllables Learn It! Spelling Test Definition noun. 1 writing in capital letters 2 an estimation of the value of a business Example Sentence Use capitalization in writing. OR The firm's capitalization is ten million. Synonyms uppercase writing; capital letters; worth; value Antonyms lowercase writing Share with your friends: