Signification

Samuel Johnson on lexicographer:

...A writer of dictionaries; a harmless drudge,
that busies himself in tracing the original,
and detailing the signification of words

Oxford Languages: ...the representation or conveying of meaning... an exact meaning or sense

Vocabulary.com: ...the message that is intended or expressed or signified

Thesaurus.com signification

OED has TEN meanings listed... and this is from the one closest to my lexicon's notion:

Not altogether satisfactory. I think of signification as a semantic adventure... which means that I need to make space to lay out my lifelong engagement with Semantics...