This has come up in an RFP. I know we did something similar with FB API and thought it would be worth including in TRAC.
Search interface to have a predefined taxonomy/keyword function to support search refinements, for example, a predefined and editable list of search terms and sources which covers e.g. “financial services” content available on the Platform.
Search interface to suggest alternative or commonly used related keywords and search terms.
This is already planned for the new search set up and ETA will be early October.