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Webster 1913 Edition
Aggrace
Ag-grace′
,Verb.
 T.
 To favor; to grace. 
[Obs.] 
“That knight so much aggraced.” Spenser.
 Ag-grace′
,Noun.
 Grace; favor. 
[Obs.] 
Spenser.
 Webster 1828 Edition
Aggrace
AGGRA'CE
,Verb.
T.
  AGGRA'CE
,Noun.