rethink
verb /ˌriːˈθɪŋk/
  /ˌriːˈθɪŋk/
[transitive, intransitive]Verb Forms
| present simple I / you / we / they rethink |  /ˌriːˈθɪŋk/  /ˌriːˈθɪŋk/ | 
| he / she / it rethinks |  /ˌriːˈθɪŋks/  /ˌriːˈθɪŋks/ | 
| past simple rethought |  /ˌriːˈθɔːt/  /ˌriːˈθɔːt/ | 
| past participle rethought |  /ˌriːˈθɔːt/  /ˌriːˈθɔːt/ | 
| -ing form rethinking |  /ˌriːˈθɪŋkɪŋ/  /ˌriːˈθɪŋkɪŋ/ | 
- rethink (something) to think again about an idea, a course of action, etc., especially in order to change it- to rethink a plan
- I think we may have to rethink our policies fairly radically.
 Oxford Collocations Dictionaryadverb- fundamentally
- radically
- seriously
- …
 - force somebody to
- make somebody
- have to
- …