D defs.my
Entry 2 senses Webster, 1913

Externalism

· Ex·ter·nal·ism · IPA
01 n. The quality of being manifest to the senses; external acts or appearances; regard for externals.
  1. 1.
    The quality of being manifest to the senses; external acts or appearances; regard for externals.
    “This externalism gave Catholicism a great advantage on all sides.” — E. Eggleston.
  2. 2.
    That philosophy or doctrine which recognizes or deals only with externals, or objects of sense perception; positivism; phenomenalism.(Metaph.)