What does "classically" mean?

In a classical manner; according to the manner of classical authors.

Classically

Common synonyms include: by tradition, conventionally, extremely greek, grecianizably, greekishly, historically.

adv

adv ·3 syllables ·Rare ·Advanced level

Adverb

1
In a classical manner; according to the manner of classical authors.
"In the derivation of novel no-signaling monogamies, we uncover a new feature, namely that two-party Bell expressions that are trivially classically saturated can become non-trivial upon the addition of an expression involving a third party with a single measurement input."
2
In the manner of classes; according to a regular order of classes or sets.

Adverb

"Tom is a classically trained pianist."

From classical + -ly.