1. Capable of being maintained in argument; rationally defensible: a tenable theory.
2. Capable of being held against assault; defensible: a tenable outpost.
3. Capable of enduring or of being tolerated: a tenable situation.
[French, from Old French, from tenir, to hold, from Latin tenēre; see ten- in the Appendix of Indo-European roots.]
ten′a·bili·ty, tena·ble·ness n.
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