This is the 414th most frequent Russian word.
обеспечить
To ensure, provide, or secure.
In this sentence, 'обеспечить' is used to indicate the provision or facilitation of a steady development or situation.
Премьер-министр заявил, что правительство должно обеспечить стабильный рост экономики.
The Prime Minister stated that the government must ensure stable economic growth.
Here, 'обеспечить' means to guarantee or provide for a certain condition or state, specifically safety.
Я должен обеспечить безопасность своих близких.
I must ensure the safety of my loved ones.
Here, 'обеспечить' is used to refer to taking measures to maintain a standard or condition, in this case, quality.