cooperate

"He is a student of life."

"The rolling hills and quaint villages are typical features of the countries surrounding Oxford. "

"My sister is very helpful, especially when it comes to organizing things. "

"to contribute articles to a journal"

"The students cooperated to clean the classroom after the party. "

"The school principal implemented new economies in energy consumption to reduce the electricity bill. "

"The complete survey was handed in to the teacher. "

"High-heeled shoes may be fashionable, but they can also be a hindrance to walking."

"The driver had an unobstructed view of the road, allowing him to see the approaching car. "

"The teacher's lesson plan was together, covering all the key concepts logically. "

"The team's cooperation on the project led to a successful outcome. "

"to enter an agreement;  the UK and US negotiators nearing agreement;  he nodded his agreement."