The phrase "a reluctance to commit" is correct and usable in written English.
It can be used when discussing someone's hesitation or unwillingness to make a decision or enter into a commitment.
Example: "Her reluctance to commit to the project was evident during the meeting."
Alternatives: "an unwillingness to engage" or "a hesitation to decide".
Yet there is a reluctance to commit.
"There's a reluctance to commit too much," said Todd Salamone, an analyst at Schaeffer's Investment Research.
NATO casualties there hit a record high last month, and Britain, France and Germany have shown a reluctance to commit more troops.
Not that we should be wishing our own players away, but there appears to be a reluctance to commit to life away from England.
In the past, donors were often willing to make gifts that were paid over a number of years, but fund-raisers are finding a reluctance to commit for more than one year.
Ukraine's foreign policy has, since independence in 1991, been characterized by a single central feature: a reluctance to commit to one side or the other (see this book by Roman Wolczuk).
A new consumer survey from ABI Research has revealed a widespread reluctance to commit to a Blu-ray player in the near future: over half of the 1000 respondents, citing "other priorities," say they have no plans to purchase one; a further 23% are likely to buy, but not until sometime in 2009.
This timeframe leads to strategies that are demonstrably achievable within such a timeframe and a potential reluctance to commit resources over time to difficult and complex issues.
The Security Council previously authorized the dispatch of 5,537 peacekeepers to Congo, but there has been a mounting reluctance to commit them to monitoring a cease-fire that has yet to take hold.
The Republican candidates for President are forever criticizing Obama for not doing enough to tackle ISIS, but when you examine the policy statements of the leading contenders you find few concrete proposals, and a marked reluctance to commit U.S. troops.
There is a widespread reluctance to commit more EU taxpayers' money to ailing banks in southern Europe.
