Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pigeonholing

1 sense of pigeonholing

Sense 1
grouping, pigeonholing -- (a system for classifying things into groups)
       => classification system -- (a system for classifying things)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb pigeonhole

2 senses of pigeonhole

Sense 1
pigeonhole -- (place into a small compartment)
       => put, set, place, pose, position, lay -- (put into a certain place or abstract location; "Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point")

Sense 2
pigeonhole, stereotype, stamp -- (treat or classify according to a mental stereotype; "I was stereotyped as a lazy Southern European")
       => classify, class, sort, assort, sort out, separate -- (arrange or order by classes or categories; "How would you classify these pottery shards--are they prehistoric?")