intellectualize

Short definition from Wiktionary

Verb

1. 1
   To treat in an intellectual manner; to discuss or express intellectually.
2. 2
   To endow with intellect; to bestow intellectual qualities upon; to cause to become intellectual.
3. 3
   To find a seemingly rational explanation for.
4. 4
   To find a seemingly rational explanation for: To use (excessive) reasoning and rationalization to block out emotional stress and anxiety associated with painful or traumatic experiences.