Esther, the book of Esther

established (when followed by a date, often written before (or after) companies' names or brands on their logotypes)

(law) Abbreviation of Estonia. / Abbreviation of Estonian.

Initialism of Erhard Seminars Training, a course intended to promote satisfaction with life in the present moment, as opposed to strivings to attain it.

Abbreviation of established.

(plural only) Initialism of English subtitles. / (genetics) Initialism of expressed sequence tag.

(time) Initialism of Eastern Standard Time. / (linguistics) Initialism of Extended Standard Theory. / Alternative letter-case form of est (“Erhard Seminars Training”)

Abbreviation of established.

(obsolete) Grace; favour.

(archaic, dialectal) Used to form the second-person singular present tense and past tense of verbs. (if thou is the subject; not used with you)