Full Idea
Theories that combine basic justification with the defeasibility of this justification are referred to as 'moderate' foundationalism.
Gist of Idea
'Moderate' foundationalism has basic justification which is defeasible
Source
Thomas Grundmann (Defeasibility Theory [2011], 'Significance')
Book Reference
'Routledge Companion to Epistemology', ed/tr. Bernecker,S/Pritchard,D [Routledge 2014], p.164
A Reaction
I could be more sympathetic to this sort of foundationalism. But it begins to sound more like Neurath's boat (see Quine) than like Descartes' metaphor of building foundations.