My father is deceased.
The word dead and the word deceased can mean the same thing and so they are synonyms.
The pathologist performed an autopsy on the deceased.
The deceased was interred at Forest Lawn Cemetary.
The eulogy of the deceased was kind and appropriate.
You only capitalize 'deceased' if it is at the start of a sentence.
The deceased governor was buried in an ornate wooden casket.
There was great sorrow in the house of the deceased. Parting is such sweet sorrow
his touching eulogy for his deceased friend left all the mourners weeping.
We attended the wake for the deceased last Monday evening.
The root word of "deceased" is "decease," which means to die or pass away.
The recently deceased knight had bravely faced the enormous dragon.
Doug gave the eulogy at his father's funeral. (Eulogy being the speech in praise of the deceased).