Definition
to perceive an individual as a certain type, particularly when you are not well-acquainted with them
At the meeting, they put her down as an expert, even though she was just starting to learn about the field.
Many people put him down as an artist when they first met him, whereas he was just an amateur.
When he joined the new club, the other members put him down as a beginner, even though he had years of experience in the sport.