1. (verb) enter upon an activity or enterprise

• attempt
• set about

2. (verb) accept as a challenge

• tackle
• take on

3. (verb) promise to do or accomplish

• guarantee

4. (verb) enter into a contractual arrangement

• contract

5. (verb) accept as a charge

• take in charge

1. (verb) enter upon an activity or enterprise

• initiate
• pioneer

2. (verb) accept as a challenge

• confront
• face
• face up

3. (verb) promise to do or accomplish

• assure
• promise

4. (verb) enter into a contractual arrangement

• assure
• promise

5. (verb) accept as a charge

• accept
• consent
• go for

1. (verb) accept as a challenge

• rise

2. (verb) promise to do or accomplish

• subvent
• subvention
• underwrite

3. (verb) enter into a contractual arrangement

• charter
• hire
• lease
• rent
• condition
• qualify
• specify
• stipulate
• lease
• rent
• sign
• stipulate

1. (verb) enter upon an activity or enterprise

• labor
• project
• task
• undertaking

2. (verb) promise to do or accomplish

• guarantee

3. (verb) enter into a contractual arrangement

• contract
• contractor