fabricate

When Michael couldn't remove the stain from the fabric, he ate it and fabricated a story that aliens stole it.

facet

"Face it! One of the facets of being a jeweler is sometimes selling flawed facets!"

facetious

She's so facetious that you should not take what she says at face value.

fallacious

They used to castigate people who made fallacious statements. (Well, that was a long time ago.)

fastidious

The fastidious Enron accountant admonished his employees, "Be careful! Don't shred too fast, idiots."

fatuous

Eating 30 pounds of chocolate a day is a fatuous idea.

fawning

The hunter who killed Bambi's mother should have come back and made a fawning plea for forgiveness.

feasible

Homer's idea of opening a hair salon for bald people was not feasible - who would pay the $30 fee? D'oh!

fecund

"Feh! Couldn't you do wihtout all the smelly manure?" Slick asked Farmer Brown. "No, we need it to make the soil fecund."

fervor

I will fight a ferocious ferret and get its fur for you if it will prove the fervor of my love for you.

fetid

I am proud to have fetid feet that smell of feta cheese.

fictitious

Books of fiction have fictitious plots.

filch

Since they had zilch, they decided to filch.

flagrant

After the protesters flagrantly burned the Stars and Stripes, the mayor began a flag rant, condemning the rebels.

flaunt

I fragrantly flaunted my physical flawlessness to may fawning followers.

fluctuation

At the terrifying sight of the nasty sentence completion question, his heartbeat fluctuated wildly.

foible

Britney Spears' foible is her penchant for attention.

foment

When your foe warned you not to foment the army against him, your foe meant he was afraid of getting his ass kicked.

to stir up; agitate; INCITE

(think: when you stir something up it foams)

forbearance

He played dead with forbearance until the four bears got antsy and went away.

forte

His forte was sneaking into the fort that was just before Fort B.

frenetic

When the pilot and the flight attendants became frenzied, the passengers became frenetic.

froward

The froward guardsmen refused to retreat, so the protestors could not move forward.

frugal

They told me that I was frugal because I bought a plastic bugle.

fulminate

After he bombed the SAT, he fulminated for a full minute against the ETS.

futile

The one-armed floor layer felt his work was futile because he could lay only a few tiles a day.