entreat, intreat (v.)
negotiate, intervene, parley
2H6 IV.iv.9[King to Buckingham, of the rebels] I'll send some holy bishop to entreat
AYL IV.iii.73[Rosalind as Ganymede to Silvius, of Phebe] I will never have her, unless thou entreat for her
KL III.iii.5[Gloucester to Edmund, of Regan and Cornwall] [they] charged me ... neither to speak of him [Lear], entreat for him, or any way sustain him
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