To refrain from speaking or from disclosing something secret.

To fail to attend a scheduled meeting.

To cause something to increase or become bigger, better, higher, etc.

To not use an opportunity to do something. 

To be late for an event.

Showing standards of behaviour that are socially and morally acceptable.

To lift something to a higher position.

The fact that something or someone is liked, enjoyed, or supported by many people.

To stay healthy and strong, especially as a result of exercise.

To remove your clothes or remove the clothes from someone else.