1. One who forms a plan; a projector.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• planeed,
• planse,
• planneda,
• plaaned,
• pianeer,
• plannet,
• plaine,
• pionner,
• planni,
• plannned,
• planem,
• plannig,
• planier,
• plannners,
• plannng,
• planneed,
• plannin,
• linner,
• plaer,
• plance

• plenarily,
• planer,
• plumiera,
• plenary,
• planaria,
• plumer,
• plumeria,
• planera,
• Plummer,
• planar,
• planarian.

The adjective form of the word "planner" is "planning".

The plural of the "planner" can be the "planners".

The singular of the "planner" can be the "planner".