Definitions

1. verb

past tense of begin, to start something; to initiate an action or process

“She began her new job last Monday.”

2. verb

past tense of begin to, to be in the process of doing something

“He began to feel a little better after the medication.”

3. noun

the point at which something starts; the beginning of a period or process

“The beginning of the semester is a good time to review course materials.”