Sentence:  It was so pretty and artless that she felt like a child again and would have enjoyed running out barefoot to <WSD>play</WSD> on the wet grass with all the growing things , but Doaty never permitted bare feet and she was decidedly not a child but une femme d ' un certain age . 
Meaning of the word marked with <WSD> tags:  be at play; be engaged in playful activity; amuse oneself in a way characteristic of children