reassociate
/ˌriːəˈsəʊʃɪeɪt/ /ˌriːəˈsəʊsɪeɪt/verb
1 [with object] To associate or unite (a person) again with others, or with a principle, condition, experience, etc.; to bring together again. Also refl. and without object: to come together again, to reunite.
2 [no object] Chemistry and Biology. Of substances, molecules, etc.: to become associated or combined again after separation or dissociation; (of DNA) to reanneal. Also with object: to cause (a substance or molecule) to become associated again (with another).
Origin
Early 16th century; earliest use found in Robert Fabyan (d. 1513), chronicler. From re- + associate.