adjective. Of considerable size; fairly large.

Of a relatively good, suitable, or desirable size, usually somewhat large.

adjective. Of considerable size or bulk.

adjective. Being of reasonable or suitable size.

adjective. fairly large

adjective. large in amount or extent or degree

adjective. fairly large

"On Wednesday, a group of 27 U.S. senators, Democrats and one Independent, sent a letter to President Obama urging what they called a "sizable and sustained" drawdown and a shift of course in U.S. strategy."

big  considerable  large  

advisable  inadvisable  realizable  recognizable  sizeable  

appreciable  enormous  fair-sized  fist-sized  good-sized  

Gargantuan  amplitudinous  astronomical  awesome  big