Simple and direct:
* The puppy was so lovable that everyone wanted to hold him.
* Her lovable personality made her a favorite among her colleagues.
Descriptive:
* With his big, brown eyes and a wagging tail, the dog was truly lovable.
* Despite her gruff exterior, she had a lovable spirit that shone through.
Figurative:
* The old house, though dilapidated, had a certain lovable charm.
* His mischievous grin was lovable, even when he was in trouble.
Specific:
* Her lovable kindness made her a natural caregiver.
* His lovable sense of humor could brighten even the darkest day.
Remember: The best sentence for "lovable" will depend on the context and what you want to emphasize. Choose the sentence that best fits your needs!