Meaning of “reinforce” - Learner’s Dictionary

reinforce

verb [ T ] uk us /ˌriːɪnˈfɔːs/
OPINION

to make an existing opinion or idea stronger:

to reinforce a view/feeling
OBJECT

to make something stronger:

a security door reinforced by steel bars
reinforced concrete
reinforcement noun [ C, U ]

the act of reinforcing something

(Definition of “reinforce” from the Cambridge Learner’s Dictionary © Cambridge University Press)