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 engineers decided to reinforce the bridge with steel beams.
• We need to reinforce our security measures after the break-in.
• The teacher’s praise reinforced the student’s good behavior.
• Additional troops were sent to reinforce the garrison.
• These statistics reinforce our argument about climate change.
• The concrete walls were reinforced with metal rods.
• Her success reinforced her confidence in her abilities.