Similar words: observant, observation, observatory, observe, observer, observed, subservient, reservation. Meaning: [əb'zɜrvəbl /-zɜːvəbl] 
adj. capable of being seen or noticed.
adj. capable of being seen or noticed. 91. Based on the partially observable MDP (POMDP), a new model for a spoken dialogue system is proposed. It uses the concept of partially observable to handle the uncertainty.
More similar words: observant, observation, observatory, observe, observer, observed, subservient, reservation, conservative, conservation, movable, achievable, believable, cultivable, inconceivable, unbelievable, miserable, obsessed, obsequious, pervade, pervasive, interval, pervasion, enervate, water vapor, serve, at intervals, deserve, reserve, servile.