We don't have synonyms for corsetry yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are coquetry, corset and cornetcy.
2003, Audrey Niffenegger, The Time Traveler's Wife, ISBN 1-931561-64-8 page 174 - "Henry puts his hands on my waist and expresses surprise at all the boning and corsetry under the silk."
2003, Audrey Niffenegger, The Time Traveler's Wife, ISBN 1-931561-64-8 page 174 - "Henry puts his hands on my waist and expresses surprise at all the boning and corsetry under the silk."