say it: nuh-SES-uh-tayt
necessitate is a verb meaning "require as useful, just, or proper". It carries 2 recorded senses.
require as useful, just, or proper
“It takes nerve to do what she did”
“success usually requires hard work”
“This job asks a lot of patience and skill”
“This position demands a lot of personal sacrifice”
“This dinner calls for a spectacular dessert”
“This intervention does not postulate a patient's consent”
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 necessitate 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.