Word Study
    
                                	observation deck |
                                	observation dome |
                                	observation post |
                                	observation station |
                                	observation tower |
                                observational
                                	| observative 
                                	| observator 
                                	| observatory 
                                	| observe 
                                	| observed 
                            
        observational
WORDNET DICTIONARY
Adjective observational has 1 sense
- observational(s = adj.all) data-based, experimental - relying on observation or experiment; "experimental results that supported the hypothesis"
CIDE DICTIONARY
observational, a. 
                                            
                                         Of or pertaining to observation; consisting of, or containing, observations.                                         Chalmers.                                         [1913 Webster]                                                                                                                    
                                                                                    
            For further exploring for "observational" in Webster Dictionary Online
        


 
    
 
