Functioning and Enduring

functioning

Process or manner of functioning or operating.
- usage: "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"
- synonyms: operation, performance

Perform as expected when applied.
- usage: "The washing machine won't go unless it's plugged in"; "Does this old car still run well"; "This old radio doesn't work anymore"
- synonyms: function, work, operate, go, run
Serve a purpose, role, or function.
- usage: "The tree stump serves as a table"; "The female students served as a control group"; "This table would serve very well"; "His freedom served him well"; "The table functions as a desk"
- synonyms: serve, function
Perform duties attached to a particular office or place or function.
- usage: "His wife officiated as his private secretary"
- synonyms: officiate, function

Performing or able to perform its regular function.
- usage: "a functioning flashlight"

enduring

Put up with something or somebody unpleasant.
- usage: "I cannot bear his constant criticism"; "The new secretary had to endure a lot of unprofessional remarks"; "he learned to tolerate the heat"; "She stuck out two years in a miserable marriage"
- synonyms: digest, endure, stick out, stomach, bear, stand, tolerate, support, brook, abide, suffer, put up
Face and withstand with courage.
- usage: "She braved the elements"
- synonyms: weather, endure, brave, brave out
Continue to live through hardship or adversity.
- usage: "We went without water and food for 3 days"; "These superstitions survive in the backwaters of America"; "The race car driver lived through several very serious accidents"; "how long can a person last without food and water"
- synonyms: survive, last, live, live on, go, endure, hold up, hold out
Undergo or be subjected to.
- usage: "He suffered the penalty"; "Many saints suffered martyrdom"
- synonyms: suffer, endure
Last and be usable.
- usage: "This dress wore well for almost ten years"
- synonyms: wear, hold out, endure
Persist for a specified period of time.
- usage: "The bad weather lasted for three days"
- synonyms: last, endure
Continue to exist.
- usage: "These stories die hard"; "The legend of Elvis endures"
- synonyms: prevail, persist, die hard, run, endure

Unceasing.
- usage: "an abiding belief"; "imperishable truths"
- synonyms: abiding, imperishable
Patiently bearing continual wrongs or trouble.
- usage: "an enduring disposition"; "a long-suffering and uncomplaining wife"
- synonyms: long-suffering

Webster's Revised Unabridged Dictionary