Found 2 items, similar to aplomb.
English → English (WordNet) Definition: aplomb aplomb n : great coolness and composure under strain; “keep your cool” [syn: assuredness, cool, poise, sang-froid]
English → English (gcide) Definition: Aplomb Aplomb \A`plomb"\, n. [F., lit. perpendicularity; ? to + plomb lead. See Plumb.] Assurance of manner or of action; self-possession. [1913 Webster]