Attitudinizing vbl. sb.

[f. as prec. + -ING¹.] The practice or assumption of attitudes; posturing; mode of action purposely assumed.

1813.  H. & J. Smith, Rej. Addr., 59. The brisk locomotion of Columbine or the tortuous attitudinizing of Punch.

1869.  Black, In Silk Attire, I. xiii. To throw off the cold attitudinizing of life.