Kommt mir brauchbar vor.

Andere Möglichkeit: they found a modus operandi.

Siehe auch: zusammenraufen.

https://dictionary.cambridge.org/dictionary/e...

to gradually accept a sad situation, often the death of someone you love:

I think he's still coming to terms with the death of his wife.

https://dictionary.cambridge.org/dictionary/e...

a decision or arrangement that has been made and accepted by two or more people, groups, organizations, etc.:

arrive at/come to/reach an agreement Despite recent discussions between the two companies, they failed to reach an agreement on the terms of a possible merger.

https://dictionary.cambridge.org/dictionary/e...

to become more familiar with a new situation:

I can't adjust to living on my own.

Her eyes slowly adjusted to the dark.

The lifestyle is so very different - it takes a while to adjust.

For sich arrangieren, Leo gives Siehe Wörterbuch: sich arrangieren:

1 to adjust

2 to come to an agreement with someone, or

3 to come to terms with something

To adjust means 'to get used to a situation'. 'I struggled with the time difference to begin with, but now my body clock has adjusted'.

To come to an agreement with someone means you've made a (semi-)formal agreement with someone about something in particular. In a flatshare/shared house situation, you might say 'Linda wasn't doing her fair share of the housework, but we've come to an agreement and she's going to clean the bathrooms every week'.

To come to terms with something means 'to learn to accept some sad situation' ('she still hasn't come to terms with the breakup', 'he's slowly coming to terms with her death')

Collinsdict. schlägt vor:

sich arrangieren

sich mit jdm arrangieren - to come to an arrangement with sb

sich mit etw arrangieren - to come to terms with sth

https://www.collinsdictionary.com/dictionary/...

#7: siehe #4:

And even if people can come to terms with each other, it doesn't read very idiomatically in this context, I would say.

Und siehe auch papouseks ##2+3

I note re: #3 that 'come to terms with' is formal only when it refers to someone, and not something. To 'agree upon terms' is formal, and there is an archaic sense in which 'I have come to terms with him' is formal, but 'he managed to come to terms with it' is quite casual in contemporary AE. But 'flatshare' is extremely BE.

I don't disagree with a word you say there, even for BE -- and I don't think my #2 or #3 said otherwise. To come to terms with SOMETHING is extremely common; to come to terms with SOMEONE on the other hand is much less common, and very formal. Which is why I don't like Google's translation in #0.

Found a way to make it work is another good suggestion.

https://dictionary.cambridge.org/dictionary/e...

to accept a difficult or unpleasant situation:

I can't change the situation so I'm going to have to learn to live with it.

Maybe that's where Google (#0) and Collins (#7) are getting their 'coming to terms with someone' from: taking the essence of the meaning of 'coming to terms with something' (= learning to accept and live with a bad situation) and applying it to personal relationships.

To make the best of a bad situation is probably still too positive, although it does at least imply that while things have been resolved, they've been resolved somewhat unsatisfactorily. Perhaps something with to live with/to learn to live with or even to learn to co-exist.

...in the end they learned to live with one another

...in the end they learned to co-exist

...eventually they adjusted to living with one another