Definitions

to improve a situation by making it less limited:

to discover where something or someone is by smelling:

to deal successfully with a problem, a situation, or a person who is having difficulties:

to cause large changes in something such as an organization, usually in order to make improvements:

to look closely at something that you are interested in:

If you say you couldnt ask for someone or something better, you mean that that person or thing is the best of their type:

to include something:

to help someone to become familiar with a new job or a new place where they will be living, working, or staying: