Roget's Thesaurus: Entry 736 (Mediocrity)

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#736. Mediocrity. -- N. moderate circumstances, average circumstances; respectability; middle classes; mediocrity; golden mean &c. (mid-course) 628, (moderation) 174.

V. jog on; go fairly, go quietly, go peaceably, go tolerably, go respectably, get on fairly, get on quietly, get on peaceably, get on tolerably, get on respectably.