plausible

adjective3

1. •
   Seemingly or apparently valid, likely, or acceptable; conceivably true or likely.

   • Russian SPETSNAZ are irregular forces that operate covertly, providing the Russian government plausible deniability. — 2014
2. •
   Obtaining approbation; specifically pleasing; apparently right; specious.
3. •
   (no longer used) Worthy of being applauded; praiseworthy; commendable; ready.

   • […] a coachman named Richard, who was described as a "sensible, well-behaved yellow boy, who is plausible and can read and write." — 1955