IPA: /əˈteɪnəˌbɪlɪti/
KK: /əˈteɪnəˌbɪlɪti/
The condition of being able to be achieved or reached.
The attainability of her goals motivated her to work harder.
Attainability is formed from "attain" (from Old French *atteindre*, meaning to reach or achieve) and "-ability" (from Latin *abilitas*, meaning capability or quality of being). The word refers to the quality of being able to reach or achieve something.
Think of the word 'attain' meaning to 'reach' something, and '-ability' indicating the 'capability' to do so. This helps you remember that attainability is about the quality of being able to reach a goal.