Adjective gettable has 2 senses
  1. attainable, come-at-able, gettable, getable - capable of being attained or accomplished; "choose an attainable goal"; "art is not something that is come-at-able by dint of study"
    Antonym: impossible (indirect, via possible)
  2. gettable, getable, obtainable, procurable - capable of being obtained; "savings of up to 50 percent are obtainable"
    Antonym: unavailable (indirect, via available)