General synonyms:
* Employ: This is a good choice for formal writing.
* Utilize: This emphasizes the effectiveness of using something.
* Apply: This suggests the use of something for a specific purpose.
* Exercise: This implies the use of a skill or ability.
* Engage: This is often used for using a tool or technique.
* Deploy: This implies the strategic use of something.
* Harness: This emphasizes the control and direction of something.
* Exploit: This suggests taking advantage of something.
* Consume: This is used when something is used up.
* Practice: This emphasizes the repeated use of something.
* Operate: This is often used for using a machine or system.
Specific synonyms:
* Eat: For consuming food.
* Drink: For consuming liquids.
* Spend: For using money.
* Wear: For using clothing.
* Drive: For using a vehicle.
The best synonym will depend on the specific context of your sentence.