1. At the proper time
   - duly

See also: punctual

• interestingly
• interestingness
• interface
• interfacial
• interfacial surface tension
• interfacial tension
• interfaith
• interfere
• interference
• interference fringe
• interfering
• interferometer
• interferometry
• interferon
• interfuse
• interfusion
• intergalactic
• intergalactic space
• intergovernmental
• intergrade
• interim
• interim overhaul
• interior
• interior angle
• interior decoration