'Devoting' in the Bible

With one mind, all of them kept devoting themselves to prayer, along with the women (including Mary the mother of Jesus) and his brothers.

They were continually devoting themselves to the apostles’ teaching and to fellowship, to the breaking of bread and to prayer.

And every day, devoting themselves [to meeting] with one purpose in the temple [courts] and breaking bread from house [to house], they were eating [their] food with joy and simplicity of heart,

But when Silas and Timothy came down from Macedonia, Paul began devoting himself completely to the word, solemnly testifying to the Jews that Jesus was the Christ.