reinforce

US /ˌri:ɪnˈfɔ:rs/

UK /ˌri:ɪnˈfɔ:s/

B2

verb

  • To send more troops/resources to support an army
  • To encourage or strengthen an idea or feeling
  • To strengthen a wall or building

other

  • To make something stronger with new materials or support.
  • To give support to an opinion, idea, or feeling, and make it stronger.
  • To strengthen or support, especially with additional personnel or material.