let be

verb3

1. •
   To not disturb or meddle with; to leave (someone or something) alone (see let it be).

   • Will you never let me be?
2. •
   Used to assign a value to a symbol.

   • Let f be any real-valued function on I and g be any real-valued function on J.
3. •
   (no longer used) To stop, to stop doing something; to leave off (now used alone, formerly also + infinitive).

   • Let be therefore my vengeaunce to disswade [...]. — 1590