Dissemble

4 clues
Pretend
Have a hidden agenda
Do a verbal tap dance
Conceal one's true feelings
Similar answers:
Adisserctroilus
Afadissomething
Aldiss
Assemble
Assembled
Assemblers
Assembles
Assemblestogether
Atremble
Barbarousdissonance
Bedroomensemble
Brooknodissent
Chamberensemble
Contestedissue
Diss
Dissable
Dissatisfaction
Dissatisfy
Dissect
Dissected