■ verb
1》 notice; perceive.
↘watch attentively.
↘detect in the course of a scientific study.
2》 say; remark: ‘It's chilly,’ she ~d.
3》 fulfil or comply with (an obligation).
Derivatives
observable adjective
observably adverb
~r noun
Origin
ME: from OFr. ~r , from L. observare 'to watch'.