Surgery is the best solution.
He thought of a good solution.
She thought of a good solution.
She came up with a possible solution.
His solution was only a temporary one.
Nobody was able to suggest a solution.
Her supposedly wonderful solution doesn’t work!
I finally found the solution to the problem.
Both parties took a step towards a solution.
He came up with the solution to the problem.
He finally hit upon a solution to his problem.
I will come up with a solution to the problem.
His solution turned out to be a complete mistake.
He turned up a key to the solution of the mystery.
I’ve made up my mind to come up with a better solution.
He came up with a terrific solution to the complex problem.
We haven’t been able to find a solution to the problem yet.
It appears that he has worked out a solution to his problem.
The solution he proposed was completely out of the question.
Walking along the street, I hit on a solution to the problem.
The government is still groping for a solution to the problem.
The solution of one may prove to be the solution of the other.
Find someone who has sung solo in front of an audience.
That was a ‘cutting the Gordian knot’ type of solution.