known · adjective /noʊn/
Word family
Nouns: knowledge, unknown
Adjectives: knowing, knowledgeable, known, unknown
Verbs: know
Adverbs: knowingly, unknowingly, knowledgeably
known
B2 recognized by or familiar to most people
Dictionary examples:
a known fact
He is a great teacher and known to the entire school community
be known as sth
B1 to be called
Dictionary example:
California is also known as the Sunshine State.
Learner example:
He studied in Central College, which is now known as Queen's College. (First Certificate in English; B2; Chinese)