Dictionary

Recently I want to buy a synonymous dictionary because I think it is very useful for me. I have a vocabulary that I write myself. I used to read it and I also arranged the vocabulary for synonymy. But I did not understand how to use the word. So I think dictionary is a good tool although it is not cheap. I believe the dictionary can enhence my vocabulary and let me learn easier and faster. After all the tools are certainty very important and necessary to evryone who want to learn something.