Sentence:  Very likely it will also include a recognition that the work we are reading reflects or `` belongs to '' some way of <WSD>thought</WSD> labelled as a `` school '' or an `` - ism '' , i. e. a complex or `` syndrome '' of ideas occurring together with sufficient prominence to warrant identification . 
Meaning of the word marked with <WSD> tags:  the organized beliefs of a period or group or individual