abet
verb /əˈbet/
  /əˈbet/
Verb Forms
Idioms | present simple I / you / we / they abet |    /əˈbet/   /əˈbet/  | 
| he / she / it abets |    /əˈbets/   /əˈbets/  | 
| past simple abetted |    /əˈbetɪd/   /əˈbetɪd/  | 
| past participle abetted |    /əˈbetɪd/   /əˈbetɪd/  | 
| -ing form abetting |    /əˈbetɪŋ/   /əˈbetɪŋ/  | 
- abet somebody to help or encourage somebody to do something wrong
- He was abetted in the deception by his wife.
 
Word Originlate Middle English (in the sense ‘urge to do something good or bad’): from Old French abeter, from a- (from Latin ad ‘to, at’) + beter ‘hound, urge on’. 
Idioms 
aid and abet 
- (law) to help somebody to do something illegal or wrong
- She stands accused of aiding and abetting the crime.
 - He was charged with aiding and abetting the robbers.