verb
to get, to obtain, to take care of
B1
Besorgen means 'to get' or 'to obtain' and also 'to take care of' (arrange). It's a regular weak verb (Perfekt: besorgt) using haben as auxiliary. Not separable. Can be non‑reflexive (to obtain or arrange for someone) or reflexive (sich etwas besorgen: to get something for oneself).
Examples
Ich muss Milch besorgen.
I have to get milk.
Er besorgte die notwendigen Unterlagen.
He obtained the necessary documents.
Wir besorgen die benötigten Papiere beim Amt.
We obtain the required documents at the office.
Details
Mnemonics
Picture someone running errands with a list titled 'Besorgen'.
Sounds like 'be-SOR-gen' — think 'source' (get something).
Notes
besorgen can be used non-reflexively ('etwas besorgen' = get/arrange something) or reflexively ('sich etwas besorgen' = get something for oneself).