Noun

(-)

the property of being viable; the ability to live or to succeed

* 1904, Hugo DeVries, Species and Varieties, Their Origin by Mutation

Ordinarily these altered organs are sterile, but in some instances a very small quantity of seed is produced, and when testing their viability I succeeded in raising a few plants from them.

* 1980, Jimmy Carter, State of the Union Address

In making its grants the Endowment will increase its emphasis on techniques which stimulate support for the humanities from non-Federal sources, in order to reinforce our tradition of private philanthropy in this field, and to insure and expand the financial, viability of our cultural institutions and life.

Noun

The state of being, existing, or occurring; beinghood.

*

, title=(The Celebrity), chapter=1 , passage=However, with the dainty volume my quondam friend sprang into fame. At the same time he cast off the chrysalis' of a commonplace ' existence .}}

* {{quote-magazine, year=2012, month=March-April, author=(Jeremy Bernstein)

, volume=100, issue=2, page=146, magazine=(American Scientist) , title= A Palette of Particles , passage=The physics of elementary particles in the 20th century was distinguished by the observation of particles whose existence had been predicted by theorists sometimes decades earlier.}}

Empirical reality; the substance of the physical universe. (Dictionary of Philosophy; 1968)