familiarly
Definitions
In a way that shows close acquaintance or intimacy.
In a manner that is informal, relaxed, or unceremonious.
In a way that is easily recognized or well-known.
Examples
She greeted the old man familiarly, as if they had known each other for years.
The professor spoke familiarly about the complex topic, making it easy for the students to understand.
Synonyms
informally intimately casually closely personally unceremoniously confidingly
Antonyms
formally distantly reservedly coldly stiffly ceremoniously aloofly