"Accepted" means the IRS received it in proper format so that they can begin processing it.

You can double-check the efile status with this tool:
<a rel="nofollow" target="_blank" href="https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp">https://shop.turbotax.intuit.com/efi...>

What does it say at the IRS WMR website for the status of your Federal refund?   Or does it not find your information?
<a rel="nofollow" target="_blank" href="http://www.irs.gov/Refunds">http://www.irs.gov/Refunds</a>

All it says is return recevied and on turbo tax it says estimated refund date 3/10/2018