1. arrange something or provide someone with something
Professional
Social
fix up a meeting with someone
The phrasal verb to fix someone up means to provide someone with something that they need. If you fix someone up with something you arrange for something to happen for example, 'we can fix up a meeting for later on in the evening'. To fix up something can also mean to repair something, for example 'I'll be busy at the weekend I need to fix up my car there is a problem with the engine'. To fix someone up with somebody can also mean to introduce someone to somebody else usually with the intention that they go on a date or work together on something. For example, 'I can fix you up with a date for the dinner if you're interested?' To fix up with someone can also mean to settle or pay a bill so you can say 'I'd like to fix up with you before I leave the restaurant'.
2. repair or decorate something
Professional
Social
fix up the house a bit
To fix up something can mean to repair, create or redecorate something, for example 'I'll be busy at the weekend I need to fix up my car there is a problem with the engine'.
3. settle a debt
Professional
Social
fix up with someone at a later time
To fix up with someone can also mean to settle or pay a bill so you can say 'I'd like to fix up with you before I leave the restaurant'.