The Collaborative International Dictionary
Callidity
Callidity \Cal*lid"i*ty\, n. [L. calliditas.] Acuteness of discernment; cunningness; shrewdness. [R.]
Her eagly-eyed callidity.
--C. Smart.
Wiktionary
callidity
n. (context obsolete English) craftiness, cunning
Usage examples of "callidity".
Once started on the right path, the pace of activity, the pattern of callidity, would be a direct moving cube, piling up so fast that no human brain would grasp the extent of what was happening until afterwards.
Clark, on the day you were married you took your husband's callidity measurements and gave them to us.
And, large though it was, it was a tiny sum when considered in its relations to Cayle Clark's callidetic index —if the callidity were due to follow a money pattern.