the willingness shown by, an act of, working or acting together for a common purpose

mutual effort

a strong feeling of any kind; an excited state of mind

mental state

(the power of) sharing the feelings, mood of another person (and so understanding her or him)

understanding

the power and capacity to feel; a physical or mental awareness

sensation, especially of touch

the state of being grateful

appreciation

(the capacity for) feeling pity and sadness; a feeling of understanding or agreement

shared feeling