-mənt noun
( -s )
Etymology: Middle French achevement, from achever + -ment
1. : the act of achieving : successful completion : accomplishment , fulfillment
achievement of an ambition
2.
a. : a result brought about by resolve, persistence, or endeavor
a major scientific achievement
b. : a great or heroic deed : feat
the achievement of Christopher Columbus
3. : performance by a student in a course : quality and quantity of a student's work during a given period
standardized tests to measure achievement
4. : an escutcheon of arms with the adjuncts (as helm, crest, mantling, motto, and supporters) with which it is displayed