Ablative case is a case that expresses a variety of meanings including   instrument cause location source, and time.

An absolute adjective is an adjective which functions as a noun.

Absolute social deixis is deictic reference to some social characteristic of a referent (especially a person) apart from any relative ranking of referents.

Absolute tense is a tense that refers to a time in relation to the moment of utterance.

Absolute-relative tense is a tense   that refers to a time in relation to a temporal reference point that, in turn, is referred to in relation to the moment of utterance in which the time and the refe [..]

Absolutive case is the case of nouns in ergative-absolutive languages that would generally be the subjects of intransitive verbs or the objects of transitive verbs in the translational equivalents of [..]

An abstract noun is a noun that denotes something viewed as a nonmaterial referent.

Accompaniment is the semantic role of a thing that participates in close association with an agent, causer, or affected in an event.

An account is an explanation as to why a dispreferred second part is given as a response in an adjacency pair.

Accusative case is the case in nominative-accusative languages that marks certain syntactic functions, usually direct objects.