A phrase that means 'to go beyond what already exists': one step ...
further
15
Dependent preposition: selection ... sth
of
15
Which word do we use to mean people (or animals, or people an animals) are free to mingle, often found in the phrase 'free to ... ': mix, combine, join associate
mix
15
mutual ... for (everybody receives) interests, gains, benefits, values
benefits
15
... a link between two things: prove, establish, indicate, recognise