Fulsome

Fulsome (fool-suhm) adj. - grossly overdone

To be used in place of "excessive," "immoderate," etc. 
 
It is not my intention to be fulsome, but I confess that I covet your skull. - Arthur Conan Doyle 

Unbecoming

Unbecoming (uhn-bi-kuhm-ing) adj. - ill-fitting

To be used in place of "unseemly," "unsightly," "unsuitable," etc. 
 
It's unbecoming for him to show so much passion.

Casuistry

Casuistry (kazh-wi-stree) n. - deceptive reasoning; sophistry

To be used in place of "equivocation," "specious reasoning," etc. 

Don't give in to their casuistry - they're leading you away from the facts.

Obeisance

Obeisance (oh-bey-suhns) n. - deference

To be used in place of "homage," "respect," etc.

All the knights paid obeisance to the queen.

Nicety

Nicety (nahy-si-tee) n. - subtlety

To be used in place of "nuance," "subtlety," etc. 

Let's not get into the niceties of the policy just yet.

Adventive

Adventive (ad-ven-tiv) adj. - nonnative

To be used in place of "foreign," "alien," etc.

An adventive garland of flowers was hung on the wall to remind them of their Hawaii honeymoon.

Abstemious

Abstemious (ab-stee-mee-uhs) adj. - temperate

To be used in place of "self -controlled," "disciplined," etc.
      
"A man may choose whether he will have abstemiousness and knowledge, or claret and ignorance." - Samuel Johnson

Tenebrous

Tenebrous (ten-uh-bruhs) adj. - dark; gloomy

To be used in place of "dark," and "obscure."
   
I prefer not to study in the musty and tenebrous school library.
The meaning of your argument is tenebrous and your logic is feeble. 

Nonpareil

Nonpareil (non-puh-rel) adj. - having no parallel

To be used in place of "extraordinary," "amazing," etc. (as well as "par excellence" and "extraordinaire").
    
Last week's game was exciting, but today's was nonpareil.
She is a violinist nonpareil.

Cantankerous

Cantankerous (kan-tang-ker-uhs) adj. - off-putting; ill-tempered

To be used in place of "obnoxious" "disagreeable," etc.

I'd come if the place wasn't full of cantankerous old men.

Bowdlerize

Bowdlerize (bohd-luh-rahyz) v. - to censor, expurgate, clean up

To be used in place of "censor," "water down," etc.
  
Many of the parents objected to a bowdlerized version of Huck Finn on the basis that works should be read as they were written. 

Heeled

Heeled (heeld) adj. - having money

To be used in place of "wealthy," "rich," etc.
 
The mayor was joined by his well-heeled coterie. 

Trammel

Trammel (tram-uhl) n. - impediment; constraint

To be used as "trammels" and in place of "obstacle," "limitation," etc.
 
He dreamed of a day when Wall Street would be free from the trammels of financial regulation.

Lily-livered

Lily-livered (lil-ee-liv-erd) adj. - cowardly

To be used in place of "cowardly," "spineless," etc.
 
Because I'm a lily-livered, bleeding-heart, liberal, egghead communist. - West Wing 

Antipode

Antipode (an-ti-pohd) n. - opposite

To be used in place of "opposite."  The pronunciation is not to be mistaken with "antipodes" from which the word derives.  Antipodes (an-tip-uh-deez) - two places on earth in diametrically opposed locations; a group of islands belonging to New Zealand.  
 
One reporter called the newcomer the antipode of the incumbent.

Otiose

Otiose (oh-shee-ohs) adj. - futile; superfluous

To be used in place of "unnecessary," "vain," "useless," etc. 

Belief is otiose; reality is sufficiently awesome as it stands. - Martin Amis

Countenance

Countenance (koun-tn-uhns) v. - permit; allow

To be used in place of "tolerate," "put up with," etc. 

I will not countenance such behavior.