1. To devise and seek to compass.

2. To agree, by oath or otherwise, to commit a crime, specially treason; to concur; to agree falsely and maliciously to charge an innocent person with felony.

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

• conspiresy,
• conspiray,
• conspircey,
• conspirecy,
• conspirsy,
• conspircy,
• conspiary,
• conspiry,
• conspiree,
• consdired,
• consperce,
• enspire,
• conmpare,
• conspiery,
• conpare,
• consure,
• nspire,
• consipired,
• conspoire,
• coconspiere

• conspecific,
• conspires,
• conspectus,
• conspirator,
• Conspired,
• conospermum,
• conspicuous,
• conspiracy.

The adverb form of the word "conspire" is "conspiratorially".

The adjective form of the word "conspire" is "conspiratorial".

The plural form of the word "conspire" is "conspires"

The singular form of the word "conspire" is "conspiracy"