Dictionary.net

• Capable of being pleaded; capable of being alleged in proof, defense, or vindication; as, a right or privilege pleadable at law.

2010 - New Age Dictionary Database
By Oddity Software

• Capable of being pleaded; capable of being alleged in proof, defense, or vindication; as, a right or privilege pleadable at law.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.