feat 1 
(f
ēt)
n.1. An act or accomplishment of great courage, skill, or imagination; an achievement.
2. Obsolete A specialized skill; a knack.
[Middle English fet, from Anglo-Norman, from Latin factum, from neuter past participle of facere, to make, do; see dhē- in the Appendix of Indo-European roots.]
Synonyms: feat1, achievement, exploit, masterstroke
These nouns denote an extraordinary deed or action: feats of bravery; achievements of diplomacy; military exploits; a masterstroke of entrepreneurship.