1. In an obligatory manner
   "this rule applies obligatorily" 
2. In a manner that cannot be evaded
   - compulsorily, mandatorily

See also: obligatory

Antonym: optionally

Encyclopedia: Obligatorily

• theater critic
• theater curtain
• theater director
• theater in the round
• theater light
• theater of operations
• theater of the absurd
• theater of war
• theater prompter
• theater stage
• theater ticket
• theatergoer
• theatre
• theatre company
• theatre critic
• theatre curtain
• theatre director
• theatre in the round
• theatre light
• theatre of operations
• theatre of the absurd
• theatre of war
• theatre prompter
• theatre stage
• theatre ticket