There's few options, free and paid included,
Free options1, Wait for it (Probably a long wait depends on fees)
2, Use free accelerator like ViaBTC (
https://www.viabtc.com/tools/txaccelerator/)
-- Limited to 100submissions per hour, submit at XX:00, the first min of every hour.
3,
mocacinno is willing to help you submit if you're unable to do it (
https://bitcointalk.org/index.php?topic=1943939)
4, If you're having access to the receiving address, try CPFP (Child pay for parents, search for detail tutorial.)
Paid options5, Use my accelerating services, which charge depends on TX size(byte). (
https://bitcointalk.org/index.php?topic=1934749)
There's other paid options out there, you can search yourself, but I won't list it here for obvious reason.