The phrase "a plan to heighten" is correct and usable in written English.
It can be used when discussing strategies or intentions to increase or enhance something, such as awareness, security, or performance.
Example: "The organization has developed a plan to heighten community engagement through various outreach programs."
Alternatives: "a strategy to enhance" or "an initiative to increase".
She also said that canine units had been introduced at the Nairobi and Mombasa airports as part of a plan to heighten surveillance.
Moreover, the Guard is developing a plan to heighten the training and preparedness of its soldiers, under which a given unit could expect to be deployed every six years.
Still, R&R agreed to "develop a plan to heighten the visibility and positive image of the Government of the Republic of South Sudan in the United States," a Center for Public Integrity review of the firm's contract with South Sudan indicates.
He added that the plan to heighten security and surveillance is not a response to a specific threat.
Mr. Kelly's plan to heighten security and monitor a subway system that carries nearly five million people a day along 656 miles of tracks reflects the city's continuing concerns about a possible attack.
She said in the interview that she picks projects based on the strength of the material, rather than on any strategic plan to heighten her public profile.
29 Heightened Quest for bin Laden President Bush has approved a plan to intensify the effort to capture or kill Osama bin Laden, officials say.
Expectations were heightened by a Reuters report over the weekend that said Peugeot had drafted a plan to raise 3 billion euros, or about $4.1 billion, of new capital.
Even tacit linkage between delaying or scrapping the scheme and pleasing Russia will heighten those worries.Talks on a plan to put a battery of Patriot air-defence missiles in Poland are bogged down in arguments over cost, whether they will be armed and the legal and tax status of the Americans who come with them.
Those worries were only heightened when it was learned that Mr. Ashcroft was considering a plan to relax restrictions on the F.B.I.'s surveillance of domestic religious and political organizations.
With Gertrude Jekyll's book, the idea that flower decorations actually could be planned and designed in such a way as to heighten the quality of a room came to be widely accepted.
