Synonyms for Planed:

adj.

flattened (adjective)
smoothed.
level (adjective)
polished, Leveled.

v.

flatten (verb)
ground.
flattened (verb)
graded, compressed, deflated, squished.
smoothed (verb)
Glossed, Leveled, polished, slicked, Sanded, Evened, ground, burnished, glazed, smoothed, flattened.

Other synonyms:

adj.
flattened.