* <i>"my language about the world conforms to yours, through exchange of conceptual and linguistic tokens"</i>
* <i>"the 'inter' in InterSubjectivity refers to agreement between subjects about so-called objective facts"</i>
from: http://www.deepspirit.com/sys-tmpl/intersubjectivity/

* <i>"InterSubjectivity refers to the "common-sense," shared meanings constructed by people in their interactions with each other and used as an everyday resource to interpret the meaning of elements of social and cultural life."</i>
from: WikiPedia:Intersubjectivity

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InterSubjectivity is largely the province of phenomenology and psychoanalysis. Best to seek references in those fields.