Support

• Supporting character
• Support (art), a solid surface upon which a painting is executed

• Support (technical analysis)
• Child support
• Customer support
• Income Support

• Support (structure), or lateral support, a type of structural support to help prevent sideways movement
• Structural support, architectural components that include arches, beams, columns, balconies, and stretchers

• Advocacy, in politics, support for constituencies, issues, or legislation
• Lateral and subjacent support, a legal term

Mathematics (generally)

• Support (mathematics), subset of the domain of a function where it is non-zero valued
• Support (measure theory), a subset of a measurable space
• Supporting hyperplane, sometimes referred to as support
• Support of a module, a set of prime ideals in commutative algebra

Statistics

• Support, the natural logarithm of the likelihood ratio, as used in phylogenetics
• Method of support, in statistics, a technique that is used to make inferences from datasets
• Support of a distribution where the probability or probability density is positive

• Close air support
• Combat service support
• Combat support
• Fire support

• Moral support
• Peer support
• Social support
• Support group
• Sympathy

• Catalyst support, in chemistry and materials science
• Life support, in medicine
• Technical support, help for computer hardware, software, or electronic goods

• Support vessel (disambiguation)