ADD A LETTER - GET A NEW WORD I
Credit: The Word's The Thing
Dr. Louis D. Appel

Example: Given the clue ALDER + O (severe test), the answer would be ORDEAL.

1. ARCHED + A (game involving pantomime)
2. BARGE + L (mix or confuse)
3. BIRDS + E (rubble)
4. CEASE + N (medium meeting)
5. CLAIM + E (spite)
6. CRANE + T (horse's gait)
7. DRAIN + O (confer religious authority)
8. HEARTY + P (counseling)
9. MAULS + Y (refuge)
10. METEOR + H (math truism)

Answers:

1. CHARADE
2. GARBLE
3. DEBRIS
4. SEANCE
5. MALICE
6. CANTER
7. ORDAIN
8. THERAPY
9. ASYLUM
10. THEOREM