This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Simple past tense and past participle of sponge.

Specifically, in ceramics, decorated with designs transferred to the ware by means of a piece of sponge cut in a pattern and dipped into the coloring preparation.

"Now and then she was successful in defying pain; but by some odd revenge of nature, what she learned in such circumstances was afterward wiped as completely from her memory as an old sum is sponged from a slate."

spongy lead   

sponged    sponges    sponging   

follower    wipe up    mop    mop up    assimilator    learner    scholar    efface    erase    rub out   

velvet sponge    holy sponge    to set a sponge    waxed sponge    red sponge    dog-head sponge    turkey cup-sponge    vegetable sponge    yellow sponge    horny sponge   

spongiae   

parasite    sponger    efface    sea sponge    bath sponge    sponge cake    sponge pudding    blag   

expunge    grunge    lunge    plunge   

towel    soap    bandage    gauze    handkerchief    cloth    brush    dough    paste    rub