1. (noun) a person who pleads for a cause or propounds an idea

• advocate
• advocator
• proponent

2. (noun) a mathematical notation indicating the number of times a quantity is multiplied by itself

• index
• power

1. (noun) a person who pleads for a cause or propounds an idea

• admirer
• booster
• champion
• friend
• protagonist
• supporter
• apologist
• justifier
• vindicator
• constitutionalist
• darwinian
• democrat
• populist
• drumbeater
• partisan
• zealot
• federalist
• gnostic
• humanist
• humanitarian
• ideologist
• ideologue
• internationalist
• interpreter
• representative
• spokesperson
• voice
• irredentist
• irridentist
• isolationist
• jansenist
• libertarian
• maoist
• marxist
• nationalist
• neoclassicist
• neutralist
• nullifier
• partitionist
• platonist
• presenter
• sponsor
• pro-lifer
• protectionist
• republican
• ritualist
• ruralist
• secessionist
• secularist
• separationist
• separatist
• suffragist
• supremacist
• teleologist
• thatcherite
• unilateralist

2. (noun) a mathematical notation indicating the number of times a quantity is multiplied by itself

• degree
• log
• logarithm

1. (noun) a person who pleads for a cause or propounds an idea

• individual
• mortal
• person
• somebody
• someone
• soul

2. (noun) someone who expounds and interprets or explains

• intellect
• intellectual

3. (noun) a mathematical notation indicating the number of times a quantity is multiplied by itself

• mathematical notation

1. (noun) a person who pleads for a cause or propounds an idea

• advocate
• advocate
• preach
• preach
• propound

2. (noun) someone who expounds and interprets or explains

• dilate
• elaborate
• enlarge
• expand
• expatiate
• exposit
• expound
• flesh out
• lucubrate

3. (noun) a mathematical notation indicating the number of times a quantity is multiplied by itself

• exponential