fix
Definitions
To mend, repair, or restore something to a functional or working condition.
To fasten or secure something firmly in a particular place or position.
To determine, set, or decide upon a specific time, price, or arrangement.
Examples
I need to fix the leaky faucet in the kitchen before it causes water damage.
The technician was able to fix my computer in less than an hour.
We need to find a way to fix this problem before the deadline arrives.