say it: dis-AHYD
decide is a verb meaning "reach, make, or come to a decision about something". It carries 4 recorded senses.
influence or determine
“The vote in New Hampshire often decides the outcome of the Presidential election”
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 decide 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.