blithesomeness

With all her blithesomeness and high spirits she was inclined to be serious in thought.

The sunshine, the blithesomeness of the morning was infectious.

Plainness, erudition, blithesomeness, were their characteristics.

A country walk makes one blithesome; and than blithesomeness there is no greater foe to selfishness.

His style is his own; is too Orrible, needs a little more sunshine and blithesomeness.