childlike

The author wrote about Epstein's "childlike curiosity" and a "drive to make a difference".

Where the bottom falls out is the last-minute decision for Rain to pull a Jonesy, just like Ripley, and go back for Andy after he’s incapacitated and reverted to his childlike personality.

Think anyone who believes that a childlike openness to play and silliness doesn’t have to be eradicated by maturity.

When it comes to breast milk ice cream, the act of eating it, namely in a cone, is oddly “sensual” yet “inherently childlike,” wrote Anna Sussman for Salon.

"Aspiring to be an adult meant rejecting that sort of childlike, colourful, rainbow, unicorn whimsy."