Antonyms of verb complicate

1 of 2 senses of complicate

Sense 1
complicate, perplex -- (make more complicated; "There was a new development that complicated the matter")
       Antonym of simplify (Sense 1)
      => simplify -- (make simpler or easier or reduce in complexity or extent; "We had to simplify the instructions"; "this move will simplify our lives")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb complicate

2 senses of complicate

Sense 1
complicate, perplex -- (make more complicated; "There was a new development that complicated the matter")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Sense 2
complicate, refine, rarify, elaborate -- (make more complex, intricate, or richer; "refine a design or pattern")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")