Synonyms for Lie down:

n.

shirk, stay out of, abstain, wriggle out of (doing) something, skip, duck out of, get out of, avoid, evade, flinch from (doing) something. fight off, fight your corner, deflect, drive off, fend off, parry, hold off, stand up to, cover yourself. lie down (noun)
lie.

v.

motion (verb)
lie.
repose (verb)
lie.

Other synonyms:

Other relevant words:
lie.