שופטים כ:ז מדרש: Sifrei Devarim

(Devarim 1:13) "Havu for yourselves": "Havu" connotes "counsel," as in (II Samuel 16:20) "Havu counsel for yourselves," (Shemoth 1:10) "Havah, let us plot (i.e., take counsel) against it."