what the doctor ordered
Exactly what is necessary or useful in a given situation; something very beneficial or desirable.
ADJ.
all, new, patient, pink, white
She ordered a new laptop online and it arrived within two days.
ORDERED + NOUN
classroom, prisoner, tom
The teacher maintained an ordered classroom where students could focus on their work.
PREP.
from, without
I ordered a pizza from that new Italian restaurant downtown last night.
ADV.
away
The angry manager ordered the staff away from the construction site immediately.