1) Conventionalise 2) Stylise 3) Stylize 
• (v. i.) To make designs in art, according to conventional principles. Cf. Conventionalize, v. t., 2.
Con·ven'tion·al·ize transitive verb [ imperfect & past participle Conventionalized ; present participle & verbal noun Conventionalizing .] 1. To make conventional; to bring under the influence of, or cause to conform to, convent...
[v] - make conventional or adapt to conventions
conventionalise verb make conventional or adapt to conventions; `conventionalized behavior`
to make conventional. · to represent in a conventional manner.