• (of a liquid or semi-liquid substance) set or become more solid

Synonyms: set, stiffen, solidify, thicken, harden

• (of a project or idea) take a definite form or begin to work well

Synonyms: take shape, come together, fall into place, happen, take form, form, emerge, crystallize, materialize, become definite

• apply gel to (the hair)

• a thick, clear, slightly sticky substance, especially one used in cosmetic or medicinal products

• a semi-rigid slab or cylinder of an organic polymer used as a medium for the separation of macromolecules

• an upper-class or well-bred girl or young woman