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Implement Synonyms / Thesaurus in SharePoint Online

The ability to create a thesaurus of synonyms is invaluable, and exists in on-premises SharePoint but not SPO, this should be remedied.

Customers use the Search Thesaurus feature for many scenarios: to map acronyms to their expanded terms, to provide relevant results when companies merge or are acquired, to map corporate vocabularies to "plain English," and many more.

This would also make it possible to allow "Other Labels" including alternate languages in a Term Set to also be treated as synonyms in search results, which IIRC is the way it works on-premises but it also seems we've lost the ability in SPO.

These gaps not remedied by Graph or Delve, and the inconsistent UX between on-premises and SPO is a potential show-stopper for some enterprise migrations. Though some have suggested workarounds using Query Rules or client-side scripts to embed expanded synonyms in search results, query rules do not scale for maintenance or performance, and the existing client-side solutions are neither complete nor supported. We need a proper remedy to bring SharePoint Online search back up to par with both the on-premises version and the competition.

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Eli Robillard (MVP) shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →


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  • Anonymous commented  ·   ·  Flag as inappropriate

    Without this feature the value of search is very limited in a Corporate environment

  • Everton commented  ·   ·  Flag as inappropriate

    Hello, this feature is pre-requisite to migrate SP On Premise to SharePoint Online. What is the roadmap for this functionality?

  • Debanshu Debroy commented  ·   ·  Flag as inappropriate

    This is a very critical feature and can be useful for any corporation. We all know corporations have a whole bunch of internal Acronyms. Actually, it would be even more powerful to define them at a site collection or subsite level.

  • Torsten Schuster commented  ·   ·  Flag as inappropriate

    yes for an creative it is urgent to find on a English system for example grandfather by searching for (German) Opa; i had filled our company thesaurus with some more technical names in German English and french

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