pivotal
US /ˈpɪv.ə.t̬əl/
UK /ˈpɪv.ə.t̬əl/

1.
penting, utama, kritikal
of crucial importance in relation to the development or success of something else
:
•
The discovery of penicillin was a pivotal moment in medicine.
Penemuan penisilin adalah detik penting dalam perubatan.
•
Her role in the project was absolutely pivotal.
Peranannya dalam projek itu benar-benar penting.