- capable of being held, maintained, or defended, as against attack or dispute: a tenable theory.
- capable of being occupied, possessed, held, or enjoyed, as under certain conditions: a research grant tenable for two years.
- able to be upheld, believed, maintained, or defended
adj.1570s, from Middle French tenable, from Old French (12c.), from tenir “to hold,” from Latin tenere “hold, keep” (see tenet).