1. Happen at the same time
   - synchronize, synchronise [Brit], contemporise [Brit] 
2. Arrange or represent events so that they co-occur
   - synchronize, synchronise [Brit], contemporise [Brit]

Derived forms: contemporizes, contemporized, contemporizing

Type of: arrange, come about, fall out, go on, hap, happen, occur, order, pass, pass off, put, set up, take place

• class Dicotyledonae
• class Dicotyledones
• class Diplopoda
• class Echinoidea
• class Equisetatae
• class Euglenophyceae
• class Eumycetes
• class feeling
• class fellow
• class Filicinae
• class Filicopsida
• class Flagellata
• class Gasteromycetes
• class Gasteropoda
• class Gastromycetes
• class Gastropoda
• class Ginkgophytina
• class Ginkgopsida
• class Gnetopsida
• class Gymnospermae
• class Hemiascomycetes
• class Hepaticae
• class Hepaticopsida
• class Heterokontae
• class Hexapoda