Definify.com
Webster 1913 Edition
Eligible
1. 
That may be selected; proper or qualified to be chosen; legally qualified to be elected and to hold office. 
2. 
Worthy to be chosen or selected; suitable; desirable; 
as, an 
. eligible 
situation for a houseThe more 
eligible 
of the two evils. Burke.
Webster 1828 Edition
Eligible
EL'IGIBLE
,Adj.
  1.
  Fit to be chosen; worthy of choice, preferable.In deep distress, certainty is more eligible than suspense.
2.
  Suitable; proper; desirable; as, the house stands in an eligible situation.3.
  Legally qualified to be chosen; as, a man is or is not eligible to an office.