1. (noun) feedback in phase with (augmenting) the input

• positive feedback

2. (noun) forming again (especially with improvements or removal of defects); renewing and reconstituting

• re-formation

1. (noun) (biology) growth anew of lost tissue or destroyed parts or organs

• biological process
• organic process

2. (noun) feedback in phase with (augmenting) the input

• feedback

3. (noun) the activity of spiritual or physical renewal

• resurgence
• revitalisation
• revitalization
• revival
• revivification

4. (noun) forming again (especially with improvements or removal of defects); renewing and reconstituting

• reconstruction

1. (noun) (biology) growth anew of lost tissue or destroyed parts or organs

• biological science
• biology

1. (noun) (biology) growth anew of lost tissue or destroyed parts or organs

• morphallaxis

2. (noun) feedback in phase with (augmenting) the input

• vicious circle
• vicious cycle

1. (noun) (biology) growth anew of lost tissue or destroyed parts or organs

• regenerate
• regenerate

2. (noun) feedback in phase with (augmenting) the input

• regenerate

3. (noun) the activity of spiritual or physical renewal

• regenerate
• rejuvenate
• restore

4. (noun) forming again (especially with improvements or removal of defects); renewing and reconstituting

• regenerate
• regenerate
• regenerate
• renew