Definitions
Century Dictionary and Cyclopedia
- n. Consideration; a pondering, careful thought or attention.
Wiktionary
- n. obsolete perpension
GNU Webster's 1913
- n. obsolete Perpension.
Examples
“Talbot's perpensity for scoring big goals started in junior hockey.”
“Where as the countries perpensity for funding terrorism around the globe with greater threat.”
“The present argument is the most abstracted that ever I engaged in; it strains my faculties to their highest stretch, and I desire the reader to attend with utmost perpensity, for I now proceed to unravel this knotty point.”
“When your father happens to be in the same line of work as you, is one of the most well known people in that line of work and is known for his perpensity to allow his dark side take over from time to time … and then you go ahead and mimic some ...”
“Gouging via inflated prices. unneeded or over testing. perpensity for the status quo.”
Lists
These user-created lists contain the word ‘perpensity’.
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My Little Phonies
Names for the next generation of My Little Ponies. Inspired by Star's list.
juggernaught, flamboyant, cuddly maggot, astrobleme, agroof, windburn, poshlost, crucifer, feedbag, dunderwhelp, nebelwerfer, bliss ninny and 453 more...
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Use these more!
perpensity, sagacity, desiderium, quiescence, deleterious, valetudinarianism, boreal, thwart, unsavory, otiose, pastiche, abstemious and 1 more...
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Formal Essay Words
Words that replace common terms and should deceive most College Counselors with their egregious floridness.
sagacity, perspicacious, per capita, perpensity, despumate, litigate, ruminate, relegate, peregrination, zeitgeist, carte blanche, quid pro quo and 33 more...
Tweets
Looking for tweets for perpensity.

bilby lance666 isn't a word. May 23, 2010
john Check the definitions--it's archaic, but it is indeed a word.
The first three quotes are misspellings, but the fourth, from Swift, is proper usage. May 23, 2010
lance666 All the referenced quotes are merely misspellings of propensity. Perpensity is not a word. May 23, 2010