truthy

adjective3

1. •
   (US, informal) Only superficially true; that is asserted or felt instinctively to be true, with no recourse to facts.

   • Historians today point out that each of these ringing assertions was, at best, truthy. — 2011
2. •
   Evaluating to true in a Boolean context.

   • In JavaScript, as well as the true or false Boolean values, other types of variables can be said to be truthy or falsey. — 2013
3. •
   (humorous, no longer used) Faithful; true.

   • You […] are afraid Theodore your sweetheart shouldn't prove truthy. — 1800