A union similar to marriage which same-sex couples, and in some jurisdictions opposite-sex couples, may form, which affords rights and responsibilities similar or identical to those afforded by civil marriage.
A bond of unity or agreement between individuals, united around a common goal or against a common enemy, such as the unifying principle that defines the labor movement; mutual support within a group.
Willingness to give psychological and/or material support when another person is in a difficult position or needs affection.