Noah Webster's New International Dictionary of the English Language

1. (n.) The act of achieving or performing; an obtaining by exertion; successful performance; accomplishment; as, the achievement of his object.

2. (n.) A great or heroic deed; something accomplished by valor, boldness, or praiseworthy exertion; a feat.

3. (n.) An escutcheon or ensign armorial; now generally applied to the funeral shield commonly called hatchment.