The phrase "committed to their cause" is grammatically correct and can be used in written English.
Example: The members of the organization were all committed to their cause of promoting environmental conservation.
"That's because this party is made up of men who are committed to their cause.
In his reading, Sophoclean heroes are irascible, obstinate, and committed to their cause.
"They're flexible, totally committed to their cause and still plan to attack the United States".
Its fighters are experienced, completely committed to their cause, well armed and well financed.
If big donors are sufficiently committed to their cause, there is nothing to prevent them giving as before.
After weeks on Earth, they were no less committed to their cause, yet mourned how the coming cataclysm would delay humanity's enlightenment.
Good leaders can persuade donors to commit to their causes for the long haul because they know that's what it takes to make change.
Police community engagement officers will encourage the right wing political groups in that community to report to law enforcement officials their compatriots who appear too committed to their political cause or adamant in their opposition to the government.
After all, if the only places conservatives can get their news bias-free are sources committed to their own cause, there is no need to face up to "reality" as such.
Because societies predicated on equal dignity are more productive and creative, and are more strongly committed to their common cause -- be it aggressive or defensive -- they are, on average, fitter.
"It exists in every county of the state, and the members are highly engaged, highly active and deeply committed to their volunteer causes," John Hancock, a Republican strategist from St . Louis said of the home-school network.
