"largely indebted" is correct and usable in written English
You can use it to describe how something or someone is largely responsible for something else. For example, "The company's success is largely indebted to their excellent marketing strategy."
Performances and marketing of "manic-depressive music" are largely indebted to her work.
Davey's artistic strategy is largely indebted to chance — she recommends you "fill yourself up with good things for later" — and so she shoots at random, flâneuse-like.
Largely indebted to the Annales school of history especially to Marc Bloch, whom Duby replaced as the leading medievalist of the movement the work remains a model for regional studies.
In the end, the U.S. investigation faulted the British Board of Trade, "to whose laxity of regulation and hasty inspection the world is largely indebted for this awful fatality".
But Mr. Wasas would be the first to admit that the tropical liqueur's real success was largely indebted to its clever packaging -- the bottle is shaped like the famous Quito monument that marks the Equator.
I am largely indebted to my Ph.D. adviser, James J. Collins, for the insights and teachings that I've shared here.
The company plans to operate with about $800 million in cash on hand through the bankruptcy process, instead of taking out what is known as debtor-in-possession financing, a customary loan in bankruptcy but one largely unavailable to highly indebted companies like Charter.
Clearly, the faults are systemic and the misfortunes of the heavily indebted countries are largely caused by the rules that govern the euro.
The problem is exacerbated by the fact that the IPO market, a traditional exit point for private equity firms, has been temperamental for more than a year and has largely eschewed floats for heavily indebted companies.
Although details of the timing and manner of such a transmission are obscure because of the absence of explicit documentation, it seems that Western mathematics, while stemming largely from the Greeks, is considerably indebted to the older Mesopotamians.
They are a largely instrumental band, more than a little indebted to the bass-and-drums minimalism of New York's Liquid Liquid.
