1) Capable of being defended 2) Defendable 3) French word used in English 4) Invulnerable 5) Justifiable 6) Tenable 1) Defendable 2) Invulnerable 3) Justified 4) Reasonable 5) Tenable 6) Understandable 7) Warranted 
• (a.) Capable of offering defense. • (a.) Capable of being defended; as, a defensible city, or a defensible cause.
De·fen'si·ble adjective [ Confer French défensable , Late Latin defensabilis , defensibilis . See Defense , and confer Defendable .] 1. Capable of being defended; as, a defensible city, or a defensible cause. 2. Capable of offerin...
capable of being defended against assault or injury: The troops were bivouacked in a defensible position. · that can be defended in argument; justifiable.