"enhance morale" is correct and usable in written English.
You can use it whenever you want to talk about improving the confidence or enthusiasm of a group of people. For example: "The company decided to implement weekly team-building activities in order to enhance morale among employees."
The company said in papers filed yesterday in United States Bankruptcy Court in Manhattan that the proposed bonus plan is intended to reduce employee turnover and enhance morale.
Supporting your staff through training and setting them new goals for their development is a very effective way to enhance morale.
As a general statement, strategies that improve workload and/or staff support will enhance morale, and will lead to improved recruiting and retention.
This may not have enhanced morale in the England camp but it has certainly perked up the Pietersen househol.
Well, despite his being vociferous in the last few weeks with statements about Kevin Pietersen, which may not have enhanced morale in the England camp, it is not Colin Graves from Yorkshire.
Although aimed at enhancing morale, the same effect may be gained from an equal increase in salary, with encouragement to donate.
Empowering staff and giving them greater autonomy was recognised as a way of enhancing morale, but only if responsibilities are clearly defined.
At a minimum, they will improve communications between staff and management, and could enhance staff morale and commitment, something the sector badly needs.
From 1932 until the end of the war in 1945, comfort women were held in brothels called "comfort stations" that were established to enhance the morale of Japanese soldiers and ostensibly to reduce random sexual assaults.
The original rationale for "don't ask, don't tell" was that it would enhance unit morale and cohesion — and thus military preparedness — by shielding heterosexual soldiers from any knowledge that some of their colleagues were gay.
A retreat out of the valley would further enhance the morale of the German and Ottoman forces, and their standing among the peoples living in the region, following their two Transjordan victories.
