cause 2noundomain: communicationPrinceton WordNet [ver.3.1]EnglishDefinitiona justification for something existing or happeningReport errorPath to highest hypernymMorphologySynset graphExamples1.they had good reason to rejoice2.he had no cause to complainSynonymsreason 5a justification for something existing or happeninggrounds 4a justification for something existing or happening