1. (

• feign ,
• sham ,
• pretend ,
• affect ,
• dissemble

) make believe with the intent to deceive; "He feigned that he was ill"; "He shammed a headache" ;

2. (

• dissemble ,
• cloak ,
• mask

) hide under a false appearance; "He masked his disappointment" ;

3. (

• dissemble ,
• pretend ,
• act ,

) behave unnaturally or affectedly; "She's just acting" ;