dissociate
Pronunciation: /dɪˈsəʊʃɪeɪt, -sɪ-/
verb
- 1(especially in abstract contexts) disconnect or separate: the word ‘spiritual’ has become for many dissociated from religion
- (dissociate oneself from) declare that one is not connected with or a supporter of (someone or something): he took pains to dissociate himself from the religious radicals
- Psychiatry split off (a component of mental activity) to act as an independent part of mental life.

Origin:
mid 16th century: from Latin dissociat- 'separated', from the verb dissociare, from dis- (expressing reversal) + sociare 'join together' (from socius 'companion')