re ‧ in ‧ force W3 AC /ˌriːənˈfɔːs, ˌriːɪnˈfɔːs $ -ˈfɔːrs/ BrE AmE verb [transitive]
[ Word Family: verb : ↑ reinforce ; noun : ↑ reinforcement ; adjective : reinforced]
[ Date: 1400-1500 ; Origin: inforce (14-17 centuries) , from enforce ]
1 . to give support to an opinion, idea, or feeling, and make it stronger:
The film reinforces the idea that women should be pretty and dumb.
2 . to make part of a building, structure, piece of clothing etc stronger
3 . to make a group of people, especially an army, stronger by adding people, equipment etc