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