Act like the master of.

synonyms: act superior, put on airs, queen it over.

Roget 885: be insolent etc. adj.; bluster, vapor, swagger, swell, give oneself airs, snap one's fingers, kick up a dust; swear etc. (affirm) 535; rap out oaths; roister.    arrogate; assume, presume; make bold, make free; take a liberty, give an inch and take an ell.    domineer, bully, dictate, hector; lord it over; traiter de haut en bas [Fr.], regarder de haut en bas [Fr.]; exact; snub, huff.   , beard, fly in the face of; put to the blush; bear down, beat down; browbeat, intimidate; trample down, tread down, trample under foot; dragoon, ride roughshod over.    out face, outlook, outstare, outbrazen^†, outbrave^†; stare out of countenance; brazen out; lay down the law; teach one's grandmother to suck eggs; assume a lofty bearing; talk big, look big; put on big looks, act the grand seigneur [Fr.]; mount the high horse, ride the high horse; toss the head, carry, with a high hand.    tempt Providence, want snuffing.    ... show more

Roget 737: authorize etc. (permit) 760; warrant etc. (right) 924; dictate etc. (order) 741.    be at the head of etc. adj.; hold office, be in office, fill an office; hold master, occupy master, a post master, be master etc. 745.    have the upper hand, get the upper hand, have the whip, get the whip; gain a hold upon, preponderate, dominate, rule the roost; boss [U.S.]; override, overrule, overawe; lord it over, hold in hand, keep under, make a puppet of, lead by the nose, turn round one's little finger, bend to one's will, hold one's own, wear the breeches; have the ball at one's feet, have it all one's own way, have the game in one's own hand, have on the hip, have under one's thumb; be master of the situation; take the lead, play first fiddle, set the fashion; give the law to; carry with a high hand; lay down the law; ride in the whirlwind and direct the storm" [Addison]; rule with a rod of iron etc. (severity) 739.    ... show more