The statement "Planning is an intellectual process that requires logic rather than wishful thinking" primarily emphasizes the feature of planning known as:

Mental exercise: The statement highlights the need for logic and rational thinking in the planning process, emphasizing that planning requires intellectual effort and sound reasoning based on facts and data rather than wishful or arbitrary considerations.

Futuristic: While planning does involve envisioning future goals and setting a direction for the organization, the given statement specifically emphasizes the logical aspect of planning, which is not primarily covered by this term.

Pervasive: While planning does permeate all levels and functions of an organization, the statement is more focused on the intellectual aspect of planning rather than its widespread application.

Continuous: Although planning is an ongoing process, the statement focuses more on the intellectual aspect involved in the process rather than its continuity.