Accepted means your return was received and the basics (such as the correct social security number) seem to be in order. See the following link for more information.
https://ttlc.intuit.com/community/return-status/help/what-does-accepted-mean/00/26285
To track your Federal refund, visit the Where’s My Federal Refund? site here: https://www.irs.gov/refunds. Updates are made daily, usually overnight. You may also download the IRS2Go app to check your Federal refund status. You can track the status of your state return by following the directions in the following TurboTax FAQ.
https://ttlc.intuit.com/community/refund-status/help/how-do-i-track-my-state-refund/00/25571
Note: You will need your social security number, filing status, and refund amount in order to track your refund.