ex·ag·ger·ate 
[ig-zaj-uh-reyt]
 verb, -at·ed, -at·ing.

verb (used with object)
1.to magnify beyond the limits of truth; overstate; represent disproportionately: to exaggerate the difficulties of a situation.

2.to increase or enlarge abnormally: Those shoes exaggerate the size of my feet.

verb (used without object)
3.to employ exaggeration,  as in speech or writing: a person who is always exaggerating.

Synonyms
1.  embellish, amplify, embroider. 2.  inflate.

Antonyms
1.  minimize.