Noun
(philosophy, metaphysics, uncountable) The doctrine that all matter has a mental aspect.
(philosophy, metaphysics, countable) Any specific doctrine or system of panpsychism.
Source: en.wiktionary.orgBut I hope to have said enough to show that we ought to take the possibility of some sort of panpsychism seriously: there seem to be no knockdown arguments against the view, and there are various positive reasons why one might embrace it. Source: Internet
Whitehead's thought may be regarded as related to the idea of panpsychism (also known as panexperientialism, because of Whitehead's emphasis on experience). Source: Internet