conditioning

noun

con·​di·​tion·​ing kən-ˈdi-sh(ə-)niŋ 

1

: the process of training to become physically fit by a regimen of exercise, diet, and rest

also : the resulting state of physical fitness

2

: a simple form of learning involving the formation, strengthening, or weakening of an association between a stimulus and a response

Synonyms of conditioning

• activity
• exertion
• exercise

Examples of conditioning in a Sentence

the team's excellent physical conditioning

With the proper conditioning, the horse will learn to trust and obey its handler.

Recent Examples on the Web

In this sense, it can be thought of as less of a replacement for things like air conditioning, but rather a cooling buffer or kind of capacitor. —Christopher McFadden, Interesting Engineering, 1 Feb. 2026

Also, make sure that your calathea isn't sitting near a heater or air conditioning unit, since the extreme temperatures can shock the plant. —Shagun Khare, The Spruce, 31 Jan. 2026

Also, check for cracks around air conditioning vents and along window seals. —Emma Ashe, Southern Living, 30 Jan. 2026

Nearly 85% of demand growth is happening in China, India, and Southeast Asia, where industry and the spread of air conditioning in homes, businesses, commercial buildings, schools, and elsewhere are involved. —Scott Montgomery, Forbes.com, 30 Jan. 2026

Word History

First Known Use

1861, in the meaning defined at sense 1

Phrases Containing conditioning

• classical conditioning
• operant conditioning

Rhymes for conditioning

• auditioning
• commissioning
• partitioning
• petitioning
• positioning
• transitioning
• decommissioning
• preconditioning
• reconditioning
• repositioning
• requisitioning

Medical Definition

conditioning

noun

con·​di·​tion·​ing kən-ˈdish-(ə-)niŋ 

1

: the process of training to become physically fit by a regimen of exercise, diet, and rest

Good shoes and proper conditioning are the best bets for avoiding shin splints.

—Current Health

He also got serious about his physical conditioning with a regimen that includes Pilates, weights and cardio training.

—Alan Shipnuck, Sports Illustrated

also : the resulting state of physical fitness

Triathletes maintained their aerobic conditioning while developing new skills and strengthening neglected muscles.

—Marlene Adrian, Shape

2

: a simple form of learning involving the formation, strengthening, or weakening of an association between a stimulus and a response

According to the theory, learning or conditioning is the process by which behavior is systematically and lastingly changed.

—Harvard Mental Health Letter

… aversive conditioning to tie undesirable actions to unpleasant stimuli and thereby break habits.

—The New York Times Magazine

see classical conditioning, operant conditioning