Search Result for "imperturbableness": 
Wordnet 3.0

NOUN (1)

1. calm and unruffled self-assurance;
- Example: "he performed with all the coolness of a veteran"
[syn: coolness, imperturbability, imperturbableness]



WordNet (r) 3.0 (2006):

imperturbableness
    n 1: calm and unruffled self-assurance; "he performed with all
         the coolness of a veteran" [syn: coolness,
         imperturbability, imperturbableness]