set down as
set (one) down as (something)
To regard or consider one as something, especially in a dismissive or condescending manner. It's easy to set him down as a brainless braggart, but there is a deceptive amount of strategy in his approach. After she was caught smoking pot, her teachers set her down as a miscreant.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
set something down as something
to regard something as something. (See also put something down to something.) I set his behavior down as an event that would not repeat itself. Please just set the whole afternoon down as an exercise in patience.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.