Synonyms of the word 
BUTTRESSED → BRACED - SUPPORTED
buttressed
- adj. Having buttresses or supports.
- v. simple past tense and past participle of buttress.
braced
- v. simple past tense and past participle of brace.
- adj. Having braces or similar supports.
- adj. (heraldry, of multiple figures of the same form) Interlaced.
supported
- adj. Held in position, especially from below.
- adj. Furnished with corroborating evidence.
- adj. Helped or aided.
- adj. Having supporters.
- v. simple past tense and past participle of support.
If you are interested in words, visit the following sites :
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- 1word.ws/buttressed to play with words, suffixs, prefixs, etc.