Solicitude means to care a lot about someone and to worry about them.
Solicitude is a very kind and caring feeling.
Examples:
She showed great solicitude for her sick friend.
His face was full of solicitude when he heard about the accident.
The mother's solicitude for her child was clear to see.
The cat looked at the fish with solicitude, hoping it was okay.
The king's solicitude for his people was known throughout the land.
The dog's solicitude for its owner was very sweet.