Definition of Undertake:

The verb "undertake" means to commit oneself to a task or responsibility. It can also refer to beginning or engaging in a project, effort, or duty. For example, if you "undertake" a new project at work, you are agreeing to take on that project and see it through to completion. The term often implies a sense of seriousness and commitment to fulfilling the responsibility.

Usage of Undertake:

"Undertake" is used in various contexts to denote the act of beginning or committing to a task, project, or responsibility. Here are some examples of how it can be used:

1. Personal Responsibility:"She decided to undertake the challenge of running a marathon to raise money for charity."
2. Professional Context:"The company will undertake a major restructuring to improve efficiency."
3. Formal Agreements:"The contractor agreed to undertake the renovation of the historic building."
4. Research and Projects:"The research team undertook an extensive study on the effects of climate change."
5. Legal or Formal Commitments:"He undertook to complete the project within the agreed deadline."

In each case, "undertake" implies a commitment or initiation of effort toward a specific goal or duty.

Synonyms of Undertake:

Here are some synonyms for "undertake," along with brief explanations:

1. Commit - To pledge or bind oneself to a certain course of action. Example: "She committed to finishing the report by the end of the week."
2. Embark - To begin a journey or project.
   Example: "They embarked on a new venture in the tech industry."
3. Take on - To assume a responsibility or challenge.
   Example: "He took on the role of project manager for the new initiative."
4. Assume - To take responsibility for something.
   Example: "She assumed the duties of team leader during the manager's absence."
5. Engage - To start or become involved in something.
   Example: "They engaged in a detailed analysis of the market trends."
6. Begin - To start a task or project.
   Example: "The team began the construction work last month."
7. Initiate - To start something, especially something significant.
   Example: "The organization initiated a new policy on workplace safety."
8. Start - To begin a particular activity or process.
   Example: "He started the process of writing his book last year."

These synonyms can be used interchangeably depending on the context, though each may carry slightly different connotations.