This is not how dictionaries work. When multiple definitions are given, it does not follow - and in many cases, it is not even possible - that they are all applicable in any context.

Ignoring context leads to things like "English as She is Spoke" https://en.wikipedia.org/wiki/English_as_She_Is_Spoke

Decent dictionaries give some guidance as to the contexts in which each each definition is applicable, but for thoroughness you probably cannot beat the unabridged Oxford English Dictionary.

The relevant definition here is neither legal nor technical, but from common usage, where recognizing a face, if not qualified, is taken to mean recognizing an individual by their face, not recognizing that you are seeing a face.