attenuate is a transitive verb that means make more tenuous or decrease intensity, quantity, activity, effect or value from someone or something.
Synonyms of attenuate can be: weaken, mitigate, relieve, tranquilize, soften, weaken, reduce, weaken, lessen, thin, etc.
Some antonyms of attenuating are: aggravate, accentuate, strengthen, enhance, intensify, increase, enlarge, tighten, intensify, exasperate, etc.
Attenuate can also be to reduce the visibility of something, such as: smoothing out stretch marks or reducing dark circles.
In English, the verb to attenuate can be translated as attenuate or mitigate. Ex: In the last months of his life, he was taking a very strong medicine to attenuate (mitigate) the pain. / In the last few months of his life, he was taking a very strong medicine to alleviate the pain.
In the scope legal, there are factors penalty mitigators, that is, they reduce or lessen the defendant's penalty or degree of guilt. According to the Brazilian Penal Code, if a defendant cooperates with investigations or spontaneously confesses to the crime, his penalty may be reduced.