In science:

• The infrastructure of a suspension bridge
• Suspension (topology), in mathematics
• Suspension (chemistry), a mixture of two chemicals with the character that one does not rapidly settle out

In vehicles:

• Suspension (vehicle), a system of linkages that connects a vehicle to its wheels
• Bicycle suspension, a system of linkages that connects a bike to its wheels
• Suspension (motorcycle), a system of linkages that connects a motorcycle to its wheels

In music:

• Suspension (music), one or more notes temporarily held before resolving to a chord tone
• "Suspension", a song by Mae from their album The Everglow

As punishment:

• Suspension (punishment), a form of punishment that people receive for violating rules and regulations in the workforce
• Suspension (school punishment), a punishment used in schools in which a pupil must stay at home and not come back until wanted

Otherwise:

• Suspension (body modification), the act of suspending one's body from hooks that have been put through body piercings
• Suspension bondage, a form of sexual bondage