You can do it, no doubt about it. Yes, your goal is attainable: within reach and not too difficult to achieve.
Attainable has roots in Latin words that mean “to reach” and “to touch.” If you can reach it and you can touch it, you’ve practically got it, and it’s clearly attainable. The box on the top shelf is attainable once you get a chair to stand on. Saving enough money for a car is an attainable goal if you’ve got a job that pays well. Keep visiting this site and a good vocabulary is attainable — guaranteed.