say it: DEM-uhn-strayt
demonstrate is a verb meaning "give an exhibition of to an interested audience". It carries 4 recorded senses.
provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
“His high fever attested to his illness”
“The buildings in Rome manifest a high level of architectural sophistication”
“This decision demonstrates his sense of fairness”
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 demonstrate 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.