demean (v.)
behave, conduct, comport [oneself]
2H6 I.i.186 [Salisbury to York and Warwick, of the Cardinal] demean himself / Unlike the ruler of a commonweal
2H6 I.iii.101 [York to King] If York have ill demeaned himself in France
3H6 I.iv.7 [York alone, of his sons] they have demeaned themselves / Like men born to renown by life or death
CE IV.iii.82 [Courtesan alone] Antipholus is mad, / Else would he never so demean himself
CE V.i.88 [Luciana to Abbess, of Antipholus of Ephesus] he demeaned himself rough, rude, and wildly