It is important to remember that scheduled Meetings marked 'Private'
will not show up under the other users' calendars, even if those users
are part of the meeting.

If you want the other users for whom the meeting is scheduled for to be
able to see this meeting, then you should do one of the following:

1) * Select the 'Custom' option for the Visibility popup field in the
       Appointment edit card.
    * The custom settings sheet will appear
    * Check the read and/or write check boxes for the users or teams
       that you want to give visibility to.

OR

2) * Add a 'Visibility Preset' in the Users and Teams Preferences
    * In that Visibility Preset, check the read and write check boxes
       for users and teams for whom you want to give access to.
    * For the Appointment(s) in question, change the option for
       'Visibility' popup to your newly created Visibility Preset.

Note that it is recomended that you use method 1 (custom option
in edit card)as opposed to method 2 (visibility presets) for this
particular purpose of scheduling meetings. This is because you
may forget in the future to whom a particular Visiblity Preset
provides access to.

Also note that 'Delegating' is not the same as Scheduling a
meeting with someone.