* Formal: The student's commendable effort in completing the challenging project was evident in the high quality of the work.
* Informal: It was commendable of her to offer to help, even though she was busy herself.
* Specific: The firefighters' commendable bravery in rescuing the trapped residents from the burning building was widely praised.
* General: The organization's work to combat poverty is commendable, and their efforts are making a real difference in the lives of many people.