B1
to make the necessary plans and preparations for something to happen
Dictionary examples:
I arranged a surprise party, but forgot to invite the birthday boy! (0.0)
I arranged a quiet library visit, but my friends thought it was a party venue. (0.0)
We arranged a fancy dinner, but ended up eating pizza in pajamas. (0.0)
They arranged to have dinner the following month. (20.9)
I've already arranged with him where to meet. (27.6)
She's arranged for her son to have swimming lessons. (28.5)
We've arranged a meeting for Wednesday. (29.6)
I'd arranged that they should arrive at the same time. (39.7)