the answer is my falling big sock witches
RESULT
"luster" works.
Theory
decibel
The answer is: PLAIN
These!suiteretuisresitritessieursuitetierstirestriestruesuterierstetuiiresreisrestretsriseriteruesruserustrutssiresitestirsuersuetsuitsuretiertiestiretrestruetuisuserutesersireitsreiresretruerutseisersetsirsitsrisuetietistuiuseuteutseresetisitresitiusut
lusterlustreresultrustlesutlerulsterlureslutesrulestruestuleserstlestletslueslurelustluterestretsruesruleruserustrutsslueslurslutsuersuetsuretelstrestruetuleuseruteselserslesletleuresretruerutselsersetsueteluseuteutseleresetreusut
congratulations
island
The anagrams are luster, lustre, result, and rustle.
The word "sifeticatorined" unscrambled is "rectifications."
It can either be:lusterlustreresultrustlesutlerulster