'Posturing' definitions:

Definition of 'posturing'

From: WordNet
noun
Adopting a vain conceited posture

Definition of 'Posturing'

From: GCIDE
  • Posture \Pos"ture\ (?; 135), v. t. [imp. & p. p. Postured; p. pr. & vb. n. Posturing.] To place in a particular position or attitude; to dispose the parts of, with reference to a particular purpose; as, to posture one's self; to posture a model. --Howell. [1913 Webster]