L2 learners' development of pragmatic ability has been studied from a varie
ty of theoretical perspectives. This paper seeks to assess the contribution
s made by different approaches to interlanguage pragmatics as a subfield of
Second Language Acquisition. A first approach locates the development of p
ragmatic ability within a comprehensive model of communicative competence,
either examining pragmatics as an autonomous component or in its interactio
n with grammatical ability. The discussion focuses on the evidence for and
against the interdependence of pragmatic and grammatical ability. A second
perspective explores pragmatic learning as information processing, with a p
articular view to the roles of attention, awareness, input, and metapragmat
ic knowledge. One important question requiring further exploration is wheth
er principles of grammar learning extend to the learning of pragmatics, A t
hird approach investigates pragmatic learning in sociocultural perspective.
A key observation has been that pragmatic knowledge emerges from assisted
performance, both in student-teacher and peer interaction. The fourth appro
ach is language socialization, investigating how cultural and pragmatic kno
wledge are jointly acquired through learners' participation in recurring si
tuated activities. in a final section, the paper discusses whether the four
perspectives are compatible or mutually exclusive.