be to do with something Definition

do¹
verb does, did (past tense), done (past participle), doing (present participle)

1. To carry out, perform or commit something.

Thesaurus: carry out, fulfil, obey, serve, execute, implement, effect, finish, conclude, complete, achieve, accomplish, fulfil, satisfy.
2. To finish or complete something.

Thesaurus: finish, conclude, complete, achieve, accomplish.
tr & intr
3. To be enough or suitable.

Example: That will do for me
Example: That will do me
4. To work at or study

Example: Are you doing maths?
intr
5. To be in a particular state.

Example: Business is doing well
6. To put in order or arrange.
intr
7. To act or behave.
8. To provide something as a service.

Example: do lunches
9. To bestow (honour, etc).
10. To cause or produce.

Thesaurus: bring about, cause, begin, create, make, produce, effect, launch, initiate, inaugurate.
11. To travel (a distance).
12. To travel at (a speed).
13. colloq
To be an improvement or enhancement to something or someone.
Example: This dress doesn't do much for my figure
14. colloq
To cheat someone.
15. colloq
To copy the behaviour of someone; to mimic them.
16. To visit (a place, etc) as a tourist.
17. colloq
To ruin something
Example: Now he's done it!
18. colloq
To assault or injure someone.
Example: Tell me, or I'll do you
19. colloq
To spend (time) in prison.
20. colloq
To convict someone.
intr
21. colloq
To happen.
Example: There was nothing doing
22. slang
To take (drugs).

auxiliary verb

1. Used in questions and negative statements or commands, as in Do you smoke?, I don't like wine and Don't do that!
2. Used to avoid repetition of a verb, as in She eats as much as I do and She comes here every day, does she?
3. Used for emphasis, as in She does know you've arrived.

noun dos, do's

colloq:
1. A party or other gathering.
2. Something done as a rule or custom.

Example: dos and don'ts
Thesaurus: rules, standards, regulations, customs, etiquette, niceties, code.
Form: dos
3. A violent scene; a fracas.

Idiom: could do with something or someone

Would benefit from having them
Example: We could do with Meg in our team.

Idiom: have to do with someone or something (be to do with someone or something)

Said of a thing, event, etc: to be related to or connected with something else.
Example: What has that to do with your question?
Example: It has nothing to do with me

Said of a person: to be partly or wholly responsible for something.
Example: I had nothing to do with the arrangement

Etymology: Anglo-Saxon don.

Phrasal Verb: do away with someone or something

To murder them.To abolish (an institution, etc).

Phrasal Verb: do someone or something down

To speak of them or it as if unimportant or not very good.

Phrasal Verb: do for someone

To do household cleaning for them on a regular basis.

Phrasal Verb: do someone in

To kill them.To exhaust them.

Phrasal Verb: do something out

To clear out (a room, etc); to decorate it.

Phrasal Verb: do someone out of something

To deprive them of it, especially by trickery.

Phrasal Verb: do someone over

To rob them.To attack or injure them.

Phrasal Verb: do oneself up

To dress up.

Phrasal Verb: do something up

To repair, clean or improve the decoration of a building, etc.To fasten it; to tie or wrap it up.

Phrasal Verb: do without something

To manage without it.

Info:

The use of do as a substitute for have in sentences such as I have a more demanding job than you do is sometimes regarded as poor style, and is best avoided in formal contexts.