As an adjective searchable
is capable of being searched, especially something that has an automated search function included.
As a noun searchability is
(uncountable|computing) the state of being searchable.
Capable of being searched, especially something that has an automated search function included.
- The new searchable database is much more useful than the old paper records method.
(uncountable, computing) The state of being searchable
(countable, computing) The extent to which, or ease with which something may be searched