Capable of being collated or compared; suitable for arranging and comparing in order.
From 'collate' + '-able' (Latin '-abilis', capable of). This adjective emerged in the 20th century as modern office vocabulary developed.
The fact that we have specific words like 'collatable' shows how important document comparison became in business—it's bureaucratic language that sounds boring but represents the whole 20th-century obsession with organizing information systems.
Complete word intelligence in one call. Free tier — 50 lookups/day.