having knowledge about a great variety of subjects: he seems to be a well-informed person possessing reliable information on a particular subject
WordReference Random House Learner's Dictionary of American English © 2025
well-in•formed /ˈwɛlɪnˈfɔrmd/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- having a great deal of knowledge, as of a subject or of a variety of subjects.
well-in•formed
(wel′in fôrmd′),USA pronunciation adj.
- having extensive knowledge, as in one particular subject or in a variety of subjects.
- late Middle English 1400–50
Collins Concise English Dictionary © HarperCollins Publishers::
'well-informed' also found in these entries (note: many are not synonyms or translations):
buff
- clued-up
- conversant
- ear
- enlightened
- home
- knowledgeable
- learned
- literate
- pulse
- savvy
- sussed
- switched-on
- well
- wise