Manufacture rain with a misting system or spray bottle.
Merriam-Webster Online Dictionary
mist (noun)1.
water in the form of particles floating or falling in the atmosphere at or near the surface of the earth and approaching the form of rain
2.
something that obscures understanding - mists of antiquity
3.
a film before the eyes
4.
a) a cloud of small particles or objects suggestive of a mist
b) a suspension of a finely divided liquid in a gas
c) a fine spray
5.
a drink of liquor served over cracked ice
intransitive verb
1.
to be or become - misty
2.
transitive verb
to become moist or blurred to cover or spray with or convert to mist
Merriam-Webster Online Thesaurus
mist (noun)1.
a light or fine rain
SYNONYMS:
mist, mizzle, sprinkleRELATED WORDS:
precipitation, rainfall, showerNEAR ANTONYMS:
cloudburst, deluge, downpour, storm; rainstorm, thunderstorm; monsoon2.
an atmospheric condition in which suspended particles in the air rob it of its transparency
SYNONYMS:
brume, fog, gauze, mist, murk, reek, smog, soupRELATED WORDS:
bank, cloud, fume, miasma, smoke, smother, steamto make dark, dim, or indistinct
SYNONYMS:
becloud, bedim, befog, blacken, blear, blur, darken, dim, dislimn, fog, fuzz (up), haze, mist, obscure, overcast, overcloud, overshadow, shadow, shroudRELATED WORDS:
adumbrate, blot out, conceal, eclipse, hide, obliterate, screen, shade; camouflage, cloak, cover, curtain, disguise, mask, veilNEAR ANTONYMS:
expose, reveal, uncover, unveilMist, brume, steam, smoke