alcanzable
attainable
alcanzar
to reach, to attain
+
-able
able to be
Alcanzable means attainable and can be thought of as alcanzar0 (to reach or attain0) + -able1 (able to be1).
adjective
- attainableCapable of being reached, achieved, or attainedLa meta es difícil pero alcanzable. // The goal is difficult but attainable.