ultimatum (n.)
- admonishment
- admonition
- alarm
- blackmail
- call
- catch
- caution
- caveat
- claim
- clause
- condition
- conditions
- contribution
- demand
- draft
- drain
- duty
- exaction
- example
- extortion
- given
- grounds
- hint
- imposition
- impost
- indent
- joker
- kicker
- lesson
- levy
- monition
- moral
- notice
- notification
- obligation
- order
- parameter
- prerequisite
- provision
- provisions
- proviso
- requirement
- requisite
- requisition
- rush
- specification
- stipulation
- string
- tax
- terms
- threat
- tip-off
- tribute
- warning