say it: kap-i-tuh-li-ZAY-shuhn
capitalization is a noun meaning "writing in capital letters". It carries 4 recorded senses.
writing in capital letters
an estimation of the value of a business
the act of capitalizing on an opportunity
the sale of capital stock
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for capitalization come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.