How to Use "thinkable" with Example Sentences

1. What is thinkable is also possible .
2. I 'm sorry to say her idea is hardly thinkable .
3. However , various measures of economic activity suggest that an outright contraction in the chinese economy is now at least thinkable .
4. Unemployment has reached a level that would not have been thinkable ten years ago .
5. War between big powers would once again become thinkable .