topic 2noundomain: thinkingPrinceton WordNet [ver.3.1]EnglishDefinitionsome situation or event that is thought aboutReport errorPath to highest hypernymMorphologySynset graphExamples1.it is a matter for the police2.he had been thinking about the subject for several years3.he kept drifting off the topicSynonymssubject 4issue 3matter 2