What is the Definition Morale in management?

There are sevral Definition of Morale in management as given below:

Dr. William R. Spriegel:

‘Morale means the co-operative attitude or mental health for a number of people who are related to each other on some basis’.

M.S. Viteles:

‘Morale may be defined as ‘an attitude of satisfaction with desire to continue in and willingness to strive for the goals of a particular group or organisation’.

E.F.L. Brech:

‘Morale may be described as a readiness to cooperative warmly in the task and purpose of a given group or organisation.

Webster:

‘Morale is a condition as affected by, or dependent upon, such mental factors as zeal, spirit, hope, confidence, etc.