Synonyms for Attainment:

n.

a feather in your cap, handiwork, summit, the fruit/fruits of something. effort, feat, DO. accomplishment (noun)
feat.
achievement, accomplishment (noun)
arrival, acquisition, fulfillment, feat, acquirement.
addition (noun)
aggregation, increment, accrual, augmentation, addition, enlargement, accumulation, acquisition, increase, expansion.
arrival (noun)
debarkation, coming, fulfillment, reception, approach, destination, welcome, advent, return, landfall, appearance, homecoming, achievement, ingress, accomplishment, landing, touchdown, arrival, entrance.
attainment (noun)
acquisition, accomplishment, acquirement, skill.
success (noun)
domination, victory, ascendancy, fruition, consummation, success, championship, conquest, triumph, successfulness.

Other synonyms:

summit, handiwork. feat. effort. Other relevant words:
feat, acquirement, skill, DO, effort, handiwork, summit.

Usage examples for attainment

  1. Such a type is absolutely necessary to the attainment of genuine success. – Rural Life and the Rural School by Joseph Kennedy