accredited, current, real, true,
authoritative, genuine, received, trustworthy,
authorized, legitimate, reliable, veritable.

That is _authentic_ which is true to the facts; that is _genuine_ which
is true to its own claims; as, _authentic_ history; _genuine_ money.

A '_genuine_' work is one written by the author whose name it bears;
an '_authentic_' work is one which relates truthfully the matters of
which it treats. For example, the apocryphal Gospel of St. Thomas is
neither '_genuine_' nor '_authentic_.' It is not '_genuine_,' for
St. Thomas did not write it; it is not '_authentic_,' for its
contents are mainly fables and lies.

TRENCH _On the Study of Words_ lect. vi, p. 189. [W. J. W.]

_Authentic_ is, however, used by reputable writers as synonymous with
_genuine_, tho usually where genuineness carries a certain authority. We
speak of _accepted_ conclusions, _certain_ evidence, _current_ money,
_genuine_ letters, a _legitimate_ conclusion or _legitimate_ authority,
_original_ manuscripts, _real_ value, _received_ interpretation, _sure_
proof, a _true_ statement, a _trustworthy_ witness, a _veritable_
discovery.

Antonyms:

apocryphal, counterfeit, exploded, false, spurious,
baseless, disputed, fabulous, fictitious, unauthorized.

* * * * *

AUXILIARY.

Synonyms:

accessory, ally, coadjutor, helper, promoter,
aid, assistant, confederate, mercenary, subordinate.

An _auxiliary_ is a person or thing that helps in a subordinate
capacity. _Allies_ unite as equals; _auxiliaries_ are, at least
technically, inferiors or subordinates. Yet the _auxiliary_ is more than
a mere _assistant_. The word is oftenest found in the plural, and in the
military sense; _auxiliaries_ are troops of one nation uniting with the
armies, and acting under the orders, of another. _Mercenaries_ serve
only for pay; _auxiliaries_ often for reasons of state, policy, or
patriotism as well. Compare ACCESSORY; APPENDAGE.

Antonyms:

antagonist, hinderer, opponent, opposer.

Prepositions:

The auxiliaries _of_ the Romans; an auxiliary _in_ a good cause; an
auxiliary _to_ learning.

* * * * *

AVARICIOUS.

Synonyms:

close, greedy, niggardly, penurious, sordid,
covetous, miserly, parsimonious, rapacious, stingy.

_Avaricious_ a