The difference between Religion & Philosophy, page-6

Semantic drift and blanket terms tend to muddy the waters. The essence of faith is a belief held without the support of evidence. Evidential support moves you from faith to reason, you have a foundation where before you didn't.

To call evidence based beliefs 'faith' just adds to confusion - evidence is not the same as no evidence - and this confusion is often used to justify beliefs that are faith based...."oh, look, your science is also faith."