authenticate | (verb) establish the authenticity of something | - |
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burthen | (verb) weight down with a load | Synonyms: burden, weight, weight down |
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lengthen | (verb) become long or longer | - |
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(verb) make longer | - |
restrengthen | (verb) make strong again | - |
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smoothen | (verb) become smooth | - |
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(verb) make smooth or smoother, as if by rubbing | Synonyms: smooth |
(verb) make (a surface) shine | Synonyms: polish, shine, smooth |
strengthen | (verb) give a healthy elasticity to | Synonyms: tone, tone up |
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(verb) gain strength | - |
(verb) make strong or stronger | Synonyms: beef up, fortify |