In a medium saucepan combine cranberries, pears, water, and honey. Bring the mixture to a boil over medium-high heat, then reduce heat to medium-low and cook, stirring occasionally, until cranberries burst and the mixture has thickened to your liking, about 5 to 10 minutes.
Remove the pot from heat and stir in orange juice, cinnamon, and orange zest.
The sauce will continue to thicken as it cools. Store in refrigerator.
Wash your hands and vegetables. Clean your cooking area.
Combine chili powder, cumin, onion powder, garlic powder, dried oregano, and paprika in a small bowl.
Heat a large non-stick skillet over medium-high. Add turkey; cook 5 minutes or until browned, stirring to crumble. Sprinkle with spice mixture; cook 1 minute or until fragrant, stirring constantly. Add water (if needed); cook 4 minutes or until thickened and meat is done.
Heat taco shells according to package directions.
Fill shells evenly with turkey filling, lettuce, tomato, avocado, and cheese.