What is a word that means the opposite of wasting time?

There isn't one perfect word that's the exact opposite of "wasting time," as it's a nuanced concept. However, here are some words that convey different aspects of the opposite:

Focusing on productivity:

* Utilizing: This implies actively making use of time.

* Leveraging: This suggests strategically using time to achieve something.

* Maximizing: This emphasizes getting the most out of time.

* Optimizing: This focuses on making the best use of time.

Focusing on value:

* Investing: This emphasizes using time for growth or development.

* Cultivating: This suggests nurturing time spent on something meaningful.

* Cherishing: This implies valuing time and appreciating it.

Focusing on enjoyment:

* Savoring: This highlights enjoying the present moment.

* Experiencing: This suggests engaging in activities that make time worthwhile.

* Living: This emphasizes making the most of time and making it meaningful.

The best word to use depends on the specific context and the aspect of "wasting time" you want to contrast.