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vouchsafe, stoopCollocations, deign, lower oneself, humble oneself, demean oneself, degrade oneself, submit with good grace, patronizeCollocations, patronise(UK), assume a superior air, talk down to, lower one's tone, graciously stoop, unbend, accommodate oneself to (one regarded as infer, descend, waive a privilege, favorCollocations, favour(UK), accordCollocations, come down off one's high horse, come down a peg, sing small, be patronising(UK), be patronizing