decide upon
US /dɪˈsaɪd əˈpɑːn/
UK /dɪˈsaɪd əˈpɑːn/

1.
memutuskan, memilih
to choose something or someone after careful thought
:
•
They finally decided upon a date for the wedding.
Mereka akhirnya memutuskan tanggal pernikahan.
•
We need to decide upon a course of action soon.
Kita perlu segera memutuskan tindakan yang akan diambil.