-isation
UK standard spelling of -ization.
Suffix
- UK standard spelling of -ization.
Origin
Etymology tree English -ise Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -isation From -ise + -ation.