dissociate

(verb) part; cease or break association with. Synonyms: disassociate, divorce, disunite, disjoint. Example: "She disassociated herself from the organization when she found out the identity of the president."

(verb) regard as unconnected. Synonyms: decouple. Examples: "You must dissociate these two events!." "Decouple our foreign policy from ideology."

(verb) to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms. Example: "Acids dissociate to give hydrogen ions."