simplify
verb (used with object)
to make less complex or complicated; make plainer or easier.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A librarian or a settlement worker who sees only children from non-English speaking homes is in danger of forgetting that there are others who can use books in unsimplified form.
From Library Work with Children by Alice Isabel Hazeltine