The phrase "a commitment to deepen" is correct and usable in written English.
It can be used when expressing a dedication or intention to enhance or improve a particular aspect or relationship.
Example: "The organization has made a commitment to deepen its engagement with the local community."
Alternatives: "a pledge to enhance" or "a promise to strengthen".
A united Germany has not strayed from its commitment to deepen European integration, as evidenced by the momentous steps since reunification toward a single market and a monetary union.
Obama said his decision to become the first American president to attend the Republic Day parade reflected his commitment to deepen the US's relationship with India.
8. Regardless of the outcome, thank your partner for joining you in your commitment to deepen the quality of trust and understanding in the relationship.
He reiterated UNICEF's commitment to deepen its engagement in areas that needed technical assistance, and focus on translating child policies into action.
At the conference, 75 countries and 26 international organisations renewed their collective commitment to deepen their cooperation with Afghanistan's unity government.
The medal recognizes 12 individuals for their commitment to deepening the nation's appreciation of, as well as access to, resources in the humanities.
Opposition leader Vladimir Milov, writing in www.gazeta.ru "Wishing President Putin and his team all the best, the Venezuelan government reaffirms its strong commitment to deepening strategic relations between the two countries".
In some cases, we provided precise answers; in other cases (especially with the primary school students), we left the commitment to deepening the discussion of evolutionary theory in class to the teachers.
She also expressed her commitment to deepening UNICEF's cooperation across the health, education and social protection areas.
This objective must be sustained by strong political commitments to deepen cooperation necessary for the alliance to be prepared for current and future challenges.
It came at a time when the Guardian had to decide whether to extend the service to other sports, thus potentially deepening a commitment to something the readers said they didn't like.
