Definition of pedestal noun from the Oxford Advanced American Dictionary

pedestal

noun
/ˈpɛdəstl/
 
 
the base that a column, statue, etc. rests on
a pedestal sink (= a sink supported by a column)I replaced the vase carefully on its pedestal.IDIOMS

knock someone off their pedestal/perch

to make someone lose their position as someone or something successful or admired
A lot of teams are looking to knock us off our perch.knock off their pedestalknock off their perch

to put/place someone on a pedestal

to admire someone so much that you do not see their faults
to put on a pedestalto place on a pedestal