perpetuated

As an adjective sustainable

is able to be sustained.

As a verb perpetuated is

(perpetuate) to make something be perpetual; (or figuratively) to prolong something.

As verbs the difference between perpetuated and protracted

is that perpetuated is (perpetuate) to make something be perpetual; (or figuratively) to prolong something while protracted is (protract).

As an adjective protracted is

lasting for a long time or longer than expected or usual.

As verbs the difference between perpetuated and continued

is that perpetuated is (perpetuate) to make something be perpetual; (or figuratively) to prolong something while continued is (continue).

As an adjective continued is

(dated) prolonged; unstopped.

As verbs the difference between perpetuated and sustained

is that perpetuated is (perpetuate) to make something be perpetual; (or figuratively) to prolong something while sustained is (sustain).

As an adjective sustained is

held continuously at a certain level.

As verbs the difference between caused and perpetuated

is that caused is past tense of cause while perpetuated is past tense of perpetuate. To make something be perpetual; (or figuratively) to prolong something.

As verbs the difference between perpetuated and perpetuate

is that perpetuated is past tense of perpetuate. To make something be perpetual; (or figuratively) to prolong something while perpetuate is to make perpetual; to preserve from extinction or oblivion.

As verbs the difference between perpetuated and perpetuates

is that perpetuated is (perpetuate) to make something be perpetual; (or figuratively) to prolong something while perpetuates is .