To control or limit something.
"To ensure pedestrian safety, the city added a high curb along the perimeter of the playground."
To protect something and prevent it from being used up or destroyed, often in terms of natural resources like water or energy.
"To ensure a steady water supply during the drought, everyone in the town was advised to conserve water by fixing leaks and taking shorter showers."
To send out or give off.
"The chemical plant was found to emit large quantities of pollutants into the atmosphere, causing concern among environmental groups."
To use up completely.
"After a long day of work, I was completely exhaust and couldn't wait to get into bed."
To control and use.
"Engineers are working to harness the energy of the sun to create a sustainable power source."
To combine or unite into one.
"The company decided to amalgamate its research and development team with the marketing department to streamline innovation and implementation."
To make someone suffer for doing something wrong.
"The parents decided to punish their son by restricting his video game time after he broke a window while playing baseball inside the house."
To state firmly and clearly.
"She didn't just suggest her idea; she asserted it with confidence, leaving no room for doubt."
To send out a program on television or radio.
"The final match of the championship was broadcast live to millions of viewers around the world."
To satisfy or make happy.
"She found herself content with the simple pleasures of her new, quiet life in the countryside."
To talk about other people's private lives.
"As soon as she walked into the office, she was bombarded with gossip about the new manager."
To show or signal.
"The signposts along the trail indicate the direction to the summit and the distance remaining."
To guess or think about something without having all the facts.
"Economists often speculate about the potential impact of policy changes on the market."