/euh cheev"meuhnt/ , n.
1. something accomplished, esp. by superior ability, special effort, great courage, etc.; a great or heroic deed: his remarkable achievements in art.
2. act of achieving; attainment or accomplishment: the achievement of one's object.
3. Heraldry. the full display of the armorial bearings of an individual or corporation.
[ 1425-75; late ME achevement conclusion. See ACHIEVE, -MENT ]
Syn. 1. ACHIEVEMENT, EXPLOIT, FEAT are terms for a noteworthy act. ACHIEVEMENT connotes final accomplishment of something noteworthy, after much effort and often in spite of obstacles and discouragements: a scientific achievement. EXPLOIT connotes boldness, bravery, and usually ingenuity: the famous exploit of an aviator. FEAT connotes the performance of something difficult, generally demanding skill and strength: a feat of horsemanship. 2. fulfillment, realization.