dis·sem·ble / diˈsembəl/ • v. [intr.] conceal one's true motives, feelings, or beliefs: an honest, sincere person with no need to dissemble. ∎  [tr.] disguise or conceal (a feeling or intention): she smiled, dissembling her true emotion.DERIVATIVES: dis·sem·blance / -bləns/ n.dis·sem·bler / -b(ə)lər/ n.

dissemble †feign XV; pretend not to see; disguise by feigning XVI; intr. conceal one's intentions. ME. dissemile, -immil, alt. of †dissimule (XIV) — (O)F. dissimuler — L. dissimulāre (see DIS- 2, SIMULATE), through †dissimble, and assoc. with SEMBLANCE, etc.