Full Idea
Dispositionality provides the grounding for intentionality.
Clarification
'Dispositionality' is the view that dispositions are essential to matter
Gist of Idea
Dispositionality provides the grounding for intentionality
Source
John Heil (From an Ontological Point of View [2003], Intro)
Book Reference
Heil,John: 'From an Ontological Point of View' [OUP 2005], p.14
A Reaction
This is a view with which I am sympathetic, though I am not sure if it explains anything. It would be necessary to identify a disposition of basic matter that could be built up into the disposition of a brain to think about things.