1. to strengthen or support something by adding extra material, people, or resources
2. to emphasize or make an idea, belief, or pattern of behavior stronger

Examples

• The steel beams reinforce the building’s structure.
• The general reinforces his troops with additional soldiers.
• This evidence reinforces our theory about the cause.
• The teacher reinforces good behavior with praise.
• The concrete reinforces the foundation against earthquakes.
• Her success reinforces the importance of hard work.
• The study reinforces previous findings about sleep.