have someone down as = put someone down as = have something down as = put something down as
judge someone or something to be a particular type or class of person or thing
1914 - M. A. Von Arnim - The Pastor's Wife – The other excursionists were all in pairs. They thought Ingeborg was too and put her down at first as the German gentleman's wife because he did not speak to her.
RELATED IDIOMS :
down and dirty
energetically earthy, direct or sexually explicit - North American informal
down and out
beaten in the struggle of life
completely without resources or means of livelihood
The phrase down and out comes from boxing and refers to a boxer who is knocked out by a blow. Since the early 20th century the noun down-and-out has been used to describe a person without money, a job or a place to live.
down in the mouth
(of a person or their expression) unhappy or dejected – informal
down on your luck
experiencing a period of bad luck – informal
down the road
in the future
later on – informal - chiefly North American
An Australian variant of this phrase is down the track.
down the tubes
lost or wasted – informal
2001 - High Country News - I've already lost my alfalfa crop…that's about $20,000 down the tubes.
down to the ground
totally – informal
1997 - Daily Mail - Sly's better sense of comic timing suits the tongue-in-cheek script down to the ground.
stop work, typically as a form of industrial action - British informal