babble

He babbled in a mix of languages and pounded his fists on the nursery wall until the plaster threatened to crack.

Madame Pyrénées, the geography teacher, babbled excitedly in French and then embraced Penelope and the children in turn until she was breathless from planting multiple kisses on each cheek.

She resumed her excited babble as she tore open the invitation.

I spent days pressing a light-up toy when we said his name to draw his attention and babbled incessantly in his face so he could copy my lip patterns.

"He's hitting his milestones just as he should be, and he's putting on weight nicely while giving us lots of laughs and babbles; everything a baby should be doing," he added.