1. Enter upon an activity or enterprise
   - set about, attempt 
2. Accept as a challenge
   - tackle, take on 
3. Promise to do or accomplish
   - guarantee 
4. Enter into a contractual arrangement
   - contract 
5. Accept as a charge
   - take in charge

Derived forms: undertaken, undertook, undertakes, undertaking

See also: undertaking

Type of: accept, assure, confront, consent, face, face up, go for, initiate, pioneer, promise

• armour-bearer
• armour-clad
• armour-plated
• armoured
• armoured car
• armoured catfish
• armoured combat vehicle
• armoured personnel carrier
• armoured scale
• armoured sea robin
• armoured vehicle
• armourer
• armoury
• armpit
• armrest
• arms
• arms control
• arms deal
• arms industry
• arms manufacturer
• arms race
• arms-runner
• Armstrong
• army
• army ant