say it: in-ISH-uhl
initial is a noun, verb and adjective meaning "the first letter of a word (especially a person's name)". It carries 3 recorded senses.
the first letter of a word (especially a person's name)
“he refused to put the initials FRS after his name”
mark with one's initials
occurring at the beginning
“took the initial step toward reconciliation”
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 initial 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.