Bank on
[Phrasal Verb] BANK ON - Expand Your English Usage: Counting on Certainties
Depend on.
To "bank on" something or someone is to rely heavily on them, expecting a certain outcome. It carries a strong connotation of trust and reliance. For example, when a person invests in a promising startup, they are "banking on" its success. Similarly, if you "bank on" your friend’s advice, you trust it implicitly and act based on the confidence that it will yield positive results.
Example Sentences
They decided to bank on good weather.
bank on means to rely or depend on something happening
She is banking on him to arrive on time.
she is relying on him to arrive on time
You can always bank on her support.
you can always rely on her support