WordNet sense 1 (strew or distribute over an area):

scatter, spread

WordNet sense 2 (extend in one or more directions):

expand

WordNet sense 3 (move outward):

diffuse, diffuse, fan out

WordNet sense 4 (turn outward):

rotate, splay, turn out

WordNet sense 5 (move away from each other):

disperse, dissipate

WordNet sense 6 (spread out or open from a closed or folded state):

open, unfold

WordNet sense 7 (set out or stretch in a line, succession, or series):

string out