systematisation

From systematise +‎ -ation.

systematisation (countable and uncountable, plural systematisations)

1. (British spelling) Alternative form of systematization
   • 1961 October, “The winter timetables of British Railways”, in Trains Illustrated, page 590:

     With the exception of the Great Eastern Line, these embody the most complete systematisation of steam or diesel-operated main line services that has yet taken place in the country.

   • 2015 July 9, “An Integrated Morphological and Molecular Approach to the Description and Systematisation of a Novel Genus and Species of Macrodasyida (Gastrotricha)”, in PLOS ONE‎, →DOI:

     The abundance and original nature of the specimens prompted us to undertake a deep survey of both morphological and molecular traits aiming at a reliable systematisation of the new taxon.

• “systematisation”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.