observance C2+

/əbˈzɜrvəns/ the keeping of a law, custom, or ritual M S

observant C2+

/əbˈzɝvənt/ quick to notice things; attentive M S

observably C2+

/əbˈzɜrvəbli/ in a way that can be observed or perceived M S

observational C2+

/ˌɑbzərˈveɪʃənəl/ based on observing rather than experimenting or theorizing M S

conservationist C2+

/ˌkɑnsɚˈveɪʃənɪst/ a person who advocates protection of the environment and wildlife M S

observatory C2+

/əbˈzɝvətɔri/ a building equipped for observing astronomical or natural phenomena M S

conservatism C2+

/kənˈsɝvəˌtɪzəm/ a disposition to preserve existing institutions and resist abrupt change M S

conservator C2+

/kənˈsɝvətɚ/ a person responsible for preserving artworks, or a court-appointed guardian M S

observable C2+

/əbˈzɝvəbəl/ able to be seen or noticed; in physics, a measurable quantity M S

unreserved C2+

/ˌʌnrɪˈzɜrvd/ without reservation; frank or not set aside M S